River Derwent, Yorkshire
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The Derwent is a river in
Yorkshire Yorkshire ( ; abbreviated Yorks), formally known as the County of York, is a Historic counties of England, historic county in northern England and by far the largest in the United Kingdom. Because of its large area in comparison with other Eng ...
in the north of England. It flows from
Fylingdales Fylingdales is a civil parish in the Scarborough district of North Yorkshire, England situated south of Whitby, within the North York Moors National Park. It contains the villages of Robin Hood's Bay and Fylingthorpe and Fyling Hall School. Ac ...
Moor in the
North York Moors National Park North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' is ...
, east then southwards as far as its confluence with the River Hertford then westwards through the
Vale of Pickering The Vale of Pickering is a low-lying flat area of land in North Yorkshire, England. It is drained by the River Derwent. The landscape is rural with scattered villages and small market towns. It has been inhabited continuously from the Mesolithic ...
, south through Kirkham Gorge and the
Vale of York The Vale of York is an area of flat land in the northeast of England. The vale is a major agricultural area and serves as the main north–south transport corridor for Northern England. The Vale of York is often supposed to stretch from the R ...
, joining the River Ouse at
Barmby on the Marsh Barmby on the Marsh is a village and civil parishes in England, civil parish in the East Riding of Yorkshire, England. It is situated approximately west of the market town of Howden. It lies on the east bank of the River Ouse, Yorkshire, River ...
. The confluence is unusual in that the Derwent converges on the Ouse at a shallow angle in an upstream direction. The river used to flow further east, its old course entering the Ouse east of
Howden Howden () is a market and minster town and civil parish in the East Riding of Yorkshire, England. It lies in the Vale of York to the north of the M62, on the A614 road about south-east of York and north of Goole, which lies across the Ri ...
. The River Derwent catchment area includes the Upper Derwent, River Rye, River Hertford, Bielby Beck and
Pocklington Canal The Pocklington Canal is a broad canal which runs for through nine locks from the Canal Head near Pocklington in the East Riding of Yorkshire, England, to the River Derwent which it joins near East Cottingwith. Most of it lies within a des ...
and their tributaries. It covers an area of 2,057 square kilometres and includes the towns of Stamford Bridge, Malton, Pickering,
Helmsley Helmsley is a market town and civil parish in the Ryedale district of North Yorkshire, England. Historically part of the North Riding of Yorkshire, the town is located at the point where Ryedale leaves the moorland and joins the flat Vale of Pi ...
,
Filey Filey () is a seaside town and civil parish in the Borough of Scarborough in North Yorkshire, England. Historically part of the East Riding of Yorkshire, it is located between Scarborough and Bridlington on Filey Bay. Although it was a fishing ...
and
Scarborough Scarborough or Scarboro may refer to: People * Scarborough (surname) * Earl of Scarbrough Places Australia * Scarborough, Western Australia, suburb of Perth * Scarborough, New South Wales, suburb of Wollongong * Scarborough, Queensland, su ...
. The area is bounded by the
Cleveland Hills The Cleveland Hills are a range of hills on the north-west edge of the North York Moors in North Yorkshire, England, overlooking Cleveland, England, Cleveland and Teesside. They lie entirely within the boundaries of the North York Moors National ...
, North York Moors and
Hambleton Hills The Hambleton Hills are a range of hills in North Yorkshire, England. They form the western edge of the North York Moors but are separated from the moors by the valley of the River Rye. They are the eastern boundary of the low-lying Vale of ...
to the north, the
Yorkshire Wolds The Yorkshire Wolds are low hills in the counties of the East Riding of Yorkshire and North Yorkshire in north-eastern England. The name also applies to the district in which the hills lie. On the western edge, the Wolds rise to an escarpment wh ...
and the coast to the east, the Vale of York to the west and the River Ouse and Humber Estuary to the south. The area around the river is primarily rural in nature with grazing moorland in the upland areas and a variety of agricultural uses at lower levels. There are large areas of designated conservation sites throughout the area. There are two titles named after the River Derwent in the British peerage,
Viscount FitzAlan of Derwent Viscount FitzAlan of Derwent, of Derwent in the County of Derby, was a title in the Peerage of the United Kingdom. It was created in 1921 for Lord Edmund Talbot on his appointment as Lord Lieutenant of Ireland. Born Lord Edmund FitzAlan-Howar ...
which is extinct and
Baron Derwent Baron Derwent, of Hackness in the North Riding of the County of York, is a title in the Peerage of the United Kingdom. It was created on 10 October 1881 for the former Liberal Member of Parliament for Scarborough, Sir Harcourt Vanden-Bempde-Joh ...
.


Uses

The river is used for water abstraction, leisure and sporting activities and effluent disposal as well as being of significant importance as the site of several nature reserves. It is the subject of conflicting interests as well as having an interesting ice age past and a long recorded history. Water abstracted from the Derwent supplies towns and cities such as Hull, Leeds, York and Scarborough. The river is of generally good quality with BOD levels remaining below 2 mg/L all year round. It is typical of northerly British rivers in that it exhibits acid flushes at peak times of rainfall, namely during the winter months. There are also several effluent sites scattered along this river at Malton, Stamford Bridge, Elvington,
Wheldrake Wheldrake is a village and civil parish located south-east of York. Administratively it is in the unitary authority of the City of York in North Yorkshire, England. According to the 2001 census the parish had a population of 1,909, increasing t ...
and
Bubwith Bubwith is a village and civil parish in the East Riding of Yorkshire, England. The village is situated about north-east of Selby, and south-east of York. It is situated on the east bank of the River Derwent, west of which is the Selby Dis ...
.


Geology

At its source on the North York Moors the River Derwent and its tributaries run over
Corallian Limestone The Corallian Group or Corallian Limestone is a geologic group in England. It is predominantly a coralliferous sedimentary rock, laid down in the Oxfordian stage of the Jurassic. It is a hard variety of "coral rag". Building stones from this geol ...
from the
Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...
period. Downstream of Stamford Bridge the catchment area is mainly of Sherwood Sandstone from the
Triassic The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...
period. To the east this sandstone dips under Mercia Mudstone, also of the Triassic period. Some of the underlying rocks are major
aquifer An aquifer is an underground layer of water-bearing, permeable rock, rock fractures, or unconsolidated materials (gravel, sand, or silt). Groundwater from aquifers can be extracted using a water well. Aquifers vary greatly in their characterist ...
s and provide a valuable source for water supply in the area. The major aquifers are the Corallian limestone, chalk and Sherwood sandstone. The Corallian Limestone outcrops on the hills surrounding the Vale of Pickering and is made up of a series of limestones and sandstones. This aquifer is unconfined in parts and gets water from the River Rye and River Derwent through swallow holes. Before the last ice age the waters of the upper Derwent flowed east and discharged into the sea at Scalby, near Scarborough. The River Hertford, the present middle Derwent and the River Rye flowed east and discharged into the North Sea near Filey Brigg. During the Ice Age these outlets were blocked by a tongue of ice which extended down the North Sea basin carrying with it large amounts of glacial detritus. As the ice melted the detritus was deposited to form the Wykeham moraine and permanently blocked the eastern exits of the watercourse. Water from the melting ice and the North York Moors formed a lake in the
Vale of Pickering The Vale of Pickering is a low-lying flat area of land in North Yorkshire, England. It is drained by the River Derwent. The landscape is rural with scattered villages and small market towns. It has been inhabited continuously from the Mesolithic ...
which expanded and deepened until eventually the water escaped by overflowing at the lowest point at Kirkham. The water cut a gorge through the Howardian Hills as it drained away southwards, breaching the Escrick moraine just east of Wheldrake, and joining the Humber glacial lake.


Climate

Rainfall and climate conditions vary slightly across the Derwent catchment area due to the topography. Annual rainfall ranges from averages of at Barmby Barrage to over at its source on the North York Moors.


Course and character of the Derwent catchment area

For management purposes the catchment area has been divided into ten smaller units. Two of these units (Howe Bridge and Ness) relate to the River Rye which is the subject of a separate article. The other eight, starting at the source, are: *East and West Ayton The Derwent starts its course at Lilla Rig on the
North York Moors The North York Moors is an upland area in north-eastern Yorkshire, England. It contains one of the largest expanses of Calluna, heather moorland in the United Kingdom. The area was designated as a national parks of England and Wales, National P ...
a few miles from the east coast of Yorkshire. After collecting the waters of the Jugger Howe Beck, Black Beck and Troutdale Beck it flows south through the Forge Valley to East and West Ayton. From there it continues across lower ground to where it is joined by the River Hertford. The Sea Cut, a man made channel, connects the Derwent to the
North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
near
Scarborough Scarborough or Scarboro may refer to: People * Scarborough (surname) * Earl of Scarbrough Places Australia * Scarborough, Western Australia, suburb of Perth * Scarborough, New South Wales, suburb of Wollongong * Scarborough, Queensland, su ...
to alleviate flooding in the lower reaches of the Derwent, downstream of the Cut. This management area is about 127 km² and largely rural with no major settlements. Corallian limestone lies beneath this area. The landscape is upland moors in the upper reaches with lower lying flatter land near
Hackness Hackness is a village and civil parish in the Scarborough district of the county of North Yorkshire, England. It lies within the North York Moors National Park. The parish population rose from 125 in the 2001 UK census to 221 in the 2011 UK cens ...
. The river flows through the narrow Forge Valley and several designated natural conservation sites. Water is retained behind a weir at West Ayton and there are sink holes in the river bed where river water is lost to underlying aquifers, so that in drought years the river below the weir may run dry. There are no wastewater treatment works. The ecology and fisheries have a very high sensitivity to changes in water flow. *River Hertford The River Hertford starts close to Hunmanby near the seaside town of
Filey Filey () is a seaside town and civil parish in the Borough of Scarborough in North Yorkshire, England. Historically part of the East Riding of Yorkshire, it is located between Scarborough and Bridlington on Filey Bay. Although it was a fishing ...
and flows westwards into the Derwent. The management area is about 83 km² with a largely rural economy of arable farming and managed grassland in a flat to undulating landscape. The underlying rock is Corallian Limestone but overlying deposits insulate the river water from this aquifer. Close to the river the land is less than 30 m high whilst to the south of the area on the slopes of the
Yorkshire Wolds The Yorkshire Wolds are low hills in the counties of the East Riding of Yorkshire and North Yorkshire in north-eastern England. The name also applies to the district in which the hills lie. On the western edge, the Wolds rise to an escarpment wh ...
it reaches 100m. The river flows in a narrow heavily modified channel. Discharges from water treatment works occur at Seamer,
Folkton Folkton is a small village and civil parish at the foot of the Yorkshire Wolds and on the edge of the Vale of Pickering on an area known as Folkton Carr ( carr meaning low lands) in the Scarborough district of North Yorkshire, England. Unti ...
and
Hunmanby Hunmanby is a large village and civil parish in the Scarborough district of North Yorkshire, England. It was part of the East Riding of Yorkshire until 1974. It is on the edge of the Yorkshire Wolds, south-west of Filey, south of Scarboro ...
. *Low Marishes Having been joined by the River Hertford the Derwent turns sharply west and flows along the
Vale of Pickering The Vale of Pickering is a low-lying flat area of land in North Yorkshire, England. It is drained by the River Derwent. The landscape is rural with scattered villages and small market towns. It has been inhabited continuously from the Mesolithic ...
past
Yedingham Yedingham is a village and former civil parish halfway between West Knapton and Allerston, nine miles north-east of Malton. It is now in the parish of Ebberston and Yedingham, in the Ryedale district of North Yorkshire, but was historicall ...
village and is joined by the River Rye four miles upstream from Malton then flows southwards. It covers an area of about 273 km² and overlies the Corallian Limestone aquifer. The topography and land use are varied. The flat valley floor is less than 20 metres in height and here the dominant land use is arable farming. In the northern part of this area lies the
North York Moors National Park North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' is ...
where the land is used mainly for upland grazing and forestry. To the south are the Yorkshire Wolds and here the land rises to over 180 metres in height. There are waste-water treatment works at Thornton le Dale,
East Heslerton East Heslerton is a village, near Malton in North Yorkshire, England. It lies between the villages of West Heslerton and Sherburn, at the interface between the Vale of Pickering to the north and the Yorkshire Wolds to the south. With West He ...
and Sherburn. *Kirkham Bridge After leaving Malton it flows south through the steep-sided valley of Kirkham Gorge past Howsham Mill and weir to Buttercrambe. *Buttercrambe At
Buttercrambe Buttercrambe is a small village in the Buttercrambe with Bossall civil parish, in the Ryedale district of North Yorkshire, England. The village is situated approximately to the north-east of York and on the border with the East Riding of Yorks ...
it continues southwards and through Stamford Bridge. The above two areas have similar physical and ecological characteristics. They have a combined catchment area of 256 km². Part of the Kirkham Bridge area is underlain by Corallian limestone. The areas are predominantly rural with undulating scenery. The
Howardian Hills The Howardian Hills are an Area of Outstanding Natural Beauty located between the Yorkshire Wolds, the North York Moors National Park, and the Vale of York. They take their name from the Howard family who still own local lands. Topography T ...
lie to the north of Buttercrambe and the Yorkshire Wolds to the east of Kirkham Bridge. There are many scattered villages in the agricultural landscape. The land near to the river is less than 20 metres high. The River Derwent
Special Area of Conservation A Special Area of Conservation (SAC) is defined in the European Union's Habitats Directive (92/43/EEC), also known as the ''Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora''. They are to protect the 220 habitats and ap ...
runs through the length of both areas. Waste-water treatment works are located at Foston,
Leavening In cooking, a leavening agent () or raising agent, also called a leaven () or leavener, is any one of a number of substances used in doughs and batters that cause a foaming action (gas bubbles) that lightens and softens the mixture. An altern ...
, Harton,
Whenby Whenby is a civil parish, and small village, in Hambleton district of North Yorkshire, England. Whenby lies between Sheriff Hutton and Brandsby, on Main Street, and a little to the east of the Howardian Hills. It has an area of , and is sit ...
, Welburn and Settrington. *Sutton upon Derwent It continues southwards, cutting through the slightly higher surrounds of the
Escrick Escrick is a village and civil parish in the Selby District of North Yorkshire, England. It was historically part of the East Riding of Yorkshire until 1974. It is approximately equidistant between Selby and York on what is now the A19 road. Hi ...
moraine and into the
Vale of York The Vale of York is an area of flat land in the northeast of England. The vale is a major agricultural area and serves as the main north–south transport corridor for Northern England. The Vale of York is often supposed to stretch from the R ...
and past
Wheldrake Wheldrake is a village and civil parish located south-east of York. Administratively it is in the unitary authority of the City of York in North Yorkshire, England. According to the 2001 census the parish had a population of 1,909, increasing t ...
. This area covers 79 km². It is low undulating agricultural land where the largest settlement is Stamford Bridge. The River Derwent in this area has many designated riverine conservation sites. There is a substantial public water supply abstraction point in the area which supplies 4.5 million people. Significant waste-water treatment sites exist at Elvington, Stamford Bridge and Bugthorpe. *East Cottingwith At East Cottingwith the Derwent meanders across its flood plain still going south, and collects the waters of the Bielby Beck and the
Pocklington Canal The Pocklington Canal is a broad canal which runs for through nine locks from the Canal Head near Pocklington in the East Riding of Yorkshire, England, to the River Derwent which it joins near East Cottingwith. Most of it lies within a des ...
which form the major part of the catchment. This area is 199 km². It is largely rural, having several scattered villages amongst open fields and common land in the
Vale of York The Vale of York is an area of flat land in the northeast of England. The vale is a major agricultural area and serves as the main north–south transport corridor for Northern England. The Vale of York is often supposed to stretch from the R ...
.
Pocklington Pocklington is a market town and civil parish situated at the foot of the Yorkshire Wolds in the East Riding of Yorkshire, England. The 2011 Census recorded its population as 8,337. It is east of York and northwest of Hull. The town's sk ...
is the largest settlement. The area lies also on the undulating foothills of the
Yorkshire Wolds The Yorkshire Wolds are low hills in the counties of the East Riding of Yorkshire and North Yorkshire in north-eastern England. The name also applies to the district in which the hills lie. On the western edge, the Wolds rise to an escarpment wh ...
. Pocklington Canal is long and joins the Derwent at East Cottingwith. In the southern part of the area the land is flat and low. On either side of the watercourse the land is rich and it is farmed as arable or permanent grassland. There are also hay meadows and pastures, known locally as Ings, which form part of the Lower Derwent Valley designated conservation sites. There are waste-water treatment sites at Pocklington,
Bishop Wilton Bishop Wilton is a small village and civil parish in the East Riding of Yorkshire, England. It is situated approximately north of Pocklington and east of Stamford Bridge. The civil parish is formed by the village of Bishop Wilton and the ha ...
, Wilberfoss and
Melbourne Melbourne ( ; Boonwurrung/Woiwurrung: ''Narrm'' or ''Naarm'') is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a met ...
. *Barmby Barrage At Barmby Barrage the waters of the Derwent are separated from the tidal Ouse to prevent the tides polluting the water extraction plant at Loftsome Bridge. This area consists of the River Derwent from Sutton upon Derwent lock downstream to the confluence with the River Ouse at Barmby Barrage. It covers 116 km² and it overlies the Sherwood Sandstone major aquifer. It is largely rural with a few small villages in an agricultural landscape of pastures, meadows and arable fields. There are several designated conservation sites. Waste-water treatment works are sited at Wheldrake,
Bubwith Bubwith is a village and civil parish in the East Riding of Yorkshire, England. The village is situated about north-east of Selby, and south-east of York. It is situated on the east bank of the River Derwent, west of which is the Selby Dis ...
, Ellerton and
North Duffield North Duffield is a village and civil parish in the Selby District of North Yorkshire, England. It was historically part of the East Riding of Yorkshire until 1974. It lies about north-east of Selby and south-east of York, on the A163 road ...
.


Barmby Barrage

Water from the
tidal River A tidal river is a river whose flow and level are influenced by tides. A section of a larger river affected by the tides is a tidal reach, but it may sometimes be considered a tidal river if it has been given a separate name. Generally, tidal ri ...
Ouse is prevented from entering the Derwent by means of a barrage at Barmby on the Marsh. The Derwent has been kept non-tidal since the 1970s because water is abstracted at Loftsome Bridge water treatment works to supply the City of Hull. The barrage has a navigation lock and two sluice gates. The objectives of the barrage are: # to exclude the waters of the Ouse from the Derwent # to maintain a depth of water for navigation and abstraction # to keep the river level low enough to permit drainage from the surrounding land. The barrage has two sluice gates, each is 7 metres wide and 5 metres high. They are raised and lowered by ropes from winches mounted in a machine room in the centre of the barrage. To travel the 5 metres from the fully closed to the open position of the gates takes 10 minutes. There is a PLC system to control the opening and closing of the gates which incorporates river level sensors, gate position sensors and a motor control centre. On a rising tide in the River Ouse the gates are closed and they are only allowed to open again once the level of the Ouse has fallen below that of the Derwent. An electronic communications link provides data remotely to the UK Environment Agency.


Natural history

The main river, its tributaries and adjacent wetlands are significant for nature conservation, ecology and landscape. The area contains a wide diversity of habitats and a number of designated sites. *
Special Protection Area A Special Protection Area (SPA) is a designation under the European Union Directive on the Conservation of Wild Birds. Under the Directive, Member States of the European Union (EU) have a duty to safeguard the habitats of migratory birds and cert ...
s provide protection to birds, their nests, eggs and habitats. (SPA's) *
Special Areas of Conservation A Special Area of Conservation (SAC) is defined in the European Union's Habitats Directive (92/43/EEC), also known as the ''Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora''. They are to protect the 220 habitats and ap ...
contribute to biodiversity by maintaining and restoring habitats and species other than birds. (SAC's) *Ramsar Sites are wetlands of international importance designated under the
Ramsar Convention The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar sites (wetlands). It is also known as the Convention on Wetlands. It i ...
*
Sites of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...
(SSSI's)


History

The unusual upstream facing outfall of the Derwent is man made. It is believed to have been cut during the Roman occupation of Britain to reduce the distance between the Derwent mouth and the Roman legionary headquarters at York by 9 miles. The first navigation weir, also believed to be of Roman origin, was a flash
weir A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. Weirs are also used to control the flow of water for outlets of l ...
built near Wheldrake to raise the level of the river upstream and regulate its flow downstream. During the reign of King John (1199–1216) a water mill on the Derwent at Wheldrake was given to the monks of
Fountains Abbey Fountains Abbey is one of the largest and best preserved ruined Cistercian monasteries in England. It is located approximately south-west of Ripon in North Yorkshire, near to the village of Aldfield. Founded in 1132, the abbey operated for 40 ...
and later in the 13th century a weir is known to have existed at the same place. By 1462 when the Lord Mayor of York was authorised to "correct and amend defects" of the Derwent "from the Ouse as far as the town and bridge of Sutton upon Derwent" the river must have been navigable at least to Sutton. A corn mill existed at Sutton upon Derwent by 1597. It was rebuilt in 1836 and continued in use until 1960. There are other water mill sites at Stamford Bridge, Buttercrambe, Howsham, Kirkham and Malton. Before the 18th century coal was usually taken by coastal shipping from Newcastle or Sunderland and put into smaller vessels at coastal ports to be delivered to upriver destinations. For this purpose there was an interest in improving navigation on the Derwent as far as Malton. In 1702 an
Act of Parliament Acts of Parliament, sometimes referred to as primary legislation, are texts of law passed by the Legislature, legislative body of a jurisdiction (often a parliament or council). In most countries with a parliamentary system of government, acts of ...
was passed authorising its proprietors to improve the river. Towpaths were laid out and "locks, turnpikes, pens for water, wharfs and warehouses" were constructed. The promoters of these works were allowed to charge tolls on the cargo carried on any part of the river. The owners of land near to the river complained in 1722 that the new locks and weirs caused them to lose income because their meadows were more often flooded. In 1793 thirty five vessels were trading from Malton, carrying corn downstream to the West Riding towns and returning upstream with coal. Virtually every village and hamlet near the tidal river had its own landing place. In 1845 the
York and North Midland Railway The York and North Midland Railway (Y&NMR) was an English railway company that opened in 1839 connecting York with the Leeds and Selby Railway, and in 1840 extended this line to meet the North Midland Railway at Normanton near Leeds. Its first c ...
was built to join the West Riding to Scarborough via Malton. Much of the freight traffic of the Derwent Navigation was transferred to the cheaper railway. In 1855 the railway managers bought the Navigation and to further stifle competition they charged high tolls on barge freight. More cargo was moved to the railway and by the 1890s the only regular trade on the Derwent was on its lower reaches. By the beginning of the 20th century the river was being used for pleasure craft and by 1920 there were craft based regularly at Stamford Bridge and Kirkham Abbey. After floods in 1930 damaged the lock gates at Kirkham several vessels were stranded upstream. In 1935 statutory Right of Navigation was revoked above Sutton Lock. There followed a long series of fights for public access against riparian interests which continue to the present day.


Economy

The economic profile of the River Derwent is dominated by its value as a water resource with the Derwent supplying Leeds, Hull, York and Scarborough as well as agricultural holdings along its course. The river is popular with anglers throughout its course and has many valuable
conservation area Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...
s and
Sites of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...
.


Settlements

* Langdale End * Broxa *
West Ayton West Ayton is a village and civil parish in the Scarborough district of North Yorkshire, England. Located upon the west bank of the River Derwent adjacent to East Ayton. According to the 2011 UK census, West Ayton parish had a population of ...
*
East Ayton East Ayton is a village and civil parish in the Scarborough district of North Yorkshire, England. According to the 2011 UK census, East Ayton parish had a population of 1,678, a reduction on the 2001 UK census figure of 1,687. Forge Valley C ...
*
Yedingham Yedingham is a village and former civil parish halfway between West Knapton and Allerston, nine miles north-east of Malton. It is now in the parish of Ebberston and Yedingham, in the Ryedale district of North Yorkshire, but was historicall ...
* Old Malton * Malton *
Norton-on-Derwent Norton-on-Derwent, commonly referred to as simply Norton, is a town and civil parish in the Ryedale district of North Yorkshire, England. Norton borders the market town of Malton, and is separated from it by the River Derwent. The 2001 Censu ...
* Low Hutton * Kirkham *
Crambe ''Crambe'' is a genus of annual and perennial flowering plants in the family Brassicaceae, native to a variety of habitats in Europe, Turkey, southwest and central Asia and eastern Africa. They carry dense racemes of tiny white or yellow flowe ...
* Howsham *
Scrayingham Scrayingham is a village and civil parish in North Yorkshire, England. It was historically part of the East Riding of Yorkshire until 1974. The population was less than 100 at the 2011 census. Details are included in the civil parish of Howsha ...
*
Buttercrambe Buttercrambe is a small village in the Buttercrambe with Bossall civil parish, in the Ryedale district of North Yorkshire, England. The village is situated approximately to the north-east of York and on the border with the East Riding of Yorks ...
* Stamford Bridge * Gate Helmsley * Low Catton * Kexby * Elvington * Sutton upon Derwent * West Cottingwith * Thorganby * Ellerton * Aughton *
Bubwith Bubwith is a village and civil parish in the East Riding of Yorkshire, England. The village is situated about north-east of Selby, and south-east of York. It is situated on the east bank of the River Derwent, west of which is the Selby Dis ...
*
Breighton Breighton is a village in the East Riding of Yorkshire, England. It is situated on the east bank of the River Derwent, approximately north-west of Howden. It forms part of the civil parish of Bubwith. History Breighton as a village is very ...
*
Wressle Wressle (with spelling variations of ''Wressell'', and ''Wressel'', in Leland's ''Itinerary'' as ''Wreshil'', in the Domesday Book as ''Weresa'') is a village and civil parish in the East Riding of Yorkshire, England, lying on the eastern bank ...
*
Barmby on the Marsh Barmby on the Marsh is a village and civil parishes in England, civil parish in the East Riding of Yorkshire, England. It is situated approximately west of the market town of Howden. It lies on the east bank of the River Ouse, Yorkshire, River ...


See also

*
Deira Deira ( ; Old Welsh/Cumbric: ''Deywr'' or ''Deifr''; ang, Derenrice or ) was an area of Post-Roman Britain, and a later Anglian kingdom. Etymology The name of the kingdom is of Brythonic origin, and is derived from the Proto-Celtic *''daru' ...
*
Derwent College , mottoeng = , established = 1965 , named_for = River Derwent , free_label = Manager , free = Dr Andrew Kerrigan , principal = Dr Eleanor Brown , administrator = Chris Unwin , undergraduates = 1545 (2021/2022) , p ...
of the
University of York , mottoeng = On the threshold of wisdom , established = , type = Public research university , endowment = £8.0 million , budget = £403.6 million , chancellor = Heather Melville , vice_chancellor = Charlie Jeffery , students ...
*
Raincliffe Woods Raincliffe Woods are situated to the north-west of Scarborough, North Yorkshire, England. They form an "L" shape with Forge Valley Woods and the River Derwent. Geography The area is a mixed woodland area designated as "planted ancient wood ...
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Rivers of the United Kingdom For details of rivers of the United Kingdom, see * List of rivers of England * List of rivers of Scotland * List of rivers of Wales * Northern Ireland: see List of rivers of Ireland and Rivers of Ireland * Longest rivers of the United Kingdom Ov ...


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* *https://yorkshireriverangler.com/the-yorkshire-derwent/ {{DEFAULTSORT:Derwent Rivers of North Yorkshire Rivers of the East Riding of Yorkshire Sites of Special Scientific Interest in the East Riding of Yorkshire Sites of Special Scientific Interest in North Yorkshire Ramsar sites in England 1Derwent