Nine Barrow Down is an elongated hill forming the northern ridge of the

Purbeck Hills The Purbeck Hills, also called the Purbeck Ridge or simply the Purbecks, are a ridge of chalk downs in Dorset, England. The ridge is formed by the structure known as the Purbeck Monocline, and extends from Lulworth Cove in the west to Old H ...

on the

Isle of Purbeck The Isle of Purbeck is a peninsula in Dorset, England. It is bordered by water on three sides: the English Channel to the south and east, where steep cliffs fall to the sea; and by the marshy lands of the River Frome, Dorset, River Frome and Poo ...

Dorset Dorset ( ; Archaism, archaically: Dorsetshire , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by Somerset to the north-west, Wiltshire to the north and the north-east, Hampshire to the east, t ...

, England. The chalk down is part of the extensive

Southern England Chalk Formation Downland, chalkland, chalk downs or just downs are areas of open chalk hills, such as the North Downs. This term is used to describe the characteristic landscape in southern England where chalk is exposed at the surface. The name "downs" is deriv ...

. The eastern end of the ridge, which carries the highest point, is also sometimes known as Godlingston Hill. The col of the

railway Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...

cutting at Harman's Cross means that it has sufficient

relative height In topography, prominence or relative height (also referred to as autonomous height, and shoulder drop in US English, and drop in British English) measures the height of a mountain or hill's summit relative to the lowest contour line encircling ...

that it qualifies as a Marilyn. The hill has views to the north across

Poole Harbour Poole Harbour is a large natural harbour in Dorset, southern England, with the town of Poole on its shores. The harbour is a drowned valley ( ria) formed at the end of the last ice age and is the estuary of several rivers, the largest being th ...

. On a clear day it is possible to see as far as the

Spinnaker Tower The Spinnaker Tower is a landmark observation tower in Portsmouth, England. It is the centrepiece of the redevelopment of Portsmouth Harbour, which was supported by a National Lottery grant. The tower's design was chosen by Portsmouth reside ...

Portsmouth Portsmouth ( ) is a port city status in the United Kingdom, city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in En ...

. To the south is the other ridge of the Purbeck Hills including

Swyre Head Swyre Head is the highest point of the Isle of Purbeck in Dorset, on the south coast of England. The hill Swyre Head lies about southwest of the village Kingston, Purbeck, Dorset, Kingston, about south of Corfe Castle (village), Corfe Castle ...

. To the south-east

Swanage Swanage () is a coastal town and civil parish in the south east of Dorset, England. It is at the eastern end of the Isle of Purbeck and one of its two towns, approximately south of Poole and east of Dorchester, Dorset, Dorchester. In the Unit ...

and its Bay can be seen. Until recently the hill was topped with a

trig point A triangulation station, also known as a trigonometrical point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity. The station is usually set up by a map ...

, but this has been removed by the farmer with the permission of

Ordnance Survey The Ordnance Survey (OS) is the national mapping agency for Great Britain. The agency's name indicates its original military purpose (see Artillery, ordnance and surveying), which was to map Scotland in the wake of the Jacobite rising of ...

: the trig point and its concrete base can be seen on its side just to the south of the

bridleway A bridle path, also bridleway, equestrian trail, horse riding path, ride, bridle road, or horse trail, is a trail or a thoroughfare that is used by people riding on horses. Trails originally created for use by horses often now serve a wider ...

. The highest point is within a field marked "No public access". It is also the site for the 2 kW Heart South Coast Transmitter on 102.3 and for the NOW Digital Multiplexes.

Ecology

Ecologically the ridge is largely

calcareous grassland Calcareous grassland (or alkaline grassland) is an ecosystem associated with thin basic soil, such as that on chalk and limestone downland. There are large areas of calcareous grassland in northwestern Europe, particularly areas of southern Engla ...

grazed by cattle, sheep and rabbits, with limited arable use.

Archaeology

Along the ridge there are 18

Bronze Age The Bronze Age () was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of ...

bowl barrows collectively known as the ''Nine Barrow Down round barrow cemetery'' and a

Neolithic The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...

long barrow Long barrows are a style of monument constructed across Western Europe in the fifth and fourth millennia BCE, during the Early Neolithic period. Typically constructed from earth and either timber or stone, those using the latter material repres ...

. These have been collectively designated as a

scheduled monument In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change. The various pieces of legislation that legally protect heritage assets from damage, visu ...

References

{{coord, 50.62960, N, 1.99005, W, region:GB_source:enwiki-osgb36(SZ008811), display=title Hills of Dorset Marilyns of England Isle of Purbeck