The Eglwyseg valley is an area to the north east of
Llangollen
Llangollen () is a town and community (Wales), community, situated on the River Dee, Wales, River Dee, in Denbighshire, Wales. Its riverside location forms the edge of the Berwyn range, and the Dee Valley section of the Clwydian Range and Dee Val ...
in
Denbighshire
Denbighshire ( ; ) is a county in the north-east of Wales. It borders the Irish Sea to the north, Flintshire to the east, Wrexham to the southeast, Powys to the south, and Gwynedd and Conwy to the west. Rhyl is the largest town, and Ruthi ...
,
Wales
Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...
; it is within the boundaries of
Llantysilio Community
A community is a social unit (a group of people) with a shared socially-significant characteristic, such as place, set of norms, culture, religion, values, customs, or identity. Communities may share a sense of place situated in a given g ...
. The name also refers to a widely scattered hamlet in the valley.
Formerly the old
township
A township is a form of human settlement or administrative subdivision. Its exact definition varies among countries.
Although the term is occasionally associated with an urban area, this tends to be an exception to the rule. In Australia, Canad ...
of Eglwysegl or Eglwysegle, the area is now best known for its dramatic rock formations and unspoiled historic landscape.
Topography
The area is best known for the prominent Lower
Carboniferous Limestone escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.
Due to the similarity, the term '' scarp'' may mistakenly be incorrectly used inte ...
, the Eglwyseg Rocks, (, ), which runs north–south for around . The high point of the area is at on ''Mynydd Eglwyseg'' (Eglwyseg Mountain, ). Various parts of the escarpment have specific names; these include ''
Craig y Forwyn'' (Maiden's Rock), ''Craig Arthur'' (Arthur's Rock), ''Tair Naid y Gath'' (the Three Leaps of the Cat) and ''Craig y Cythraul'' (Devil's Rock). The ''Afon Eglwyseg'' (Eglwyseg River) flows through the valley, joined by a number of tributary streams such as the ''Nant Elli'' and ''Nant Craig y Moch''.
The head of the valley is known as
World's End, and is a popular spot with walkers, cyclists and tourists. The lower end of the valley joins the Vale of
Llangollen
Llangollen () is a town and community (Wales), community, situated on the River Dee, Wales, River Dee, in Denbighshire, Wales. Its riverside location forms the edge of the Berwyn range, and the Dee Valley section of the Clwydian Range and Dee Val ...
, the Eglwyseg River flowing into the
River Dee near Pentrefelin.
History
The entire valley has been designated a
Site 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 ...
and Landscape of Special Historic Interest. The upland
moors
The term Moor is an Endonym and exonym, exonym used in European languages to designate the Muslims, Muslim populations of North Africa (the Maghreb) and the Iberian Peninsula (particularly al-Andalus) during the Middle Ages.
Moors are not a s ...
have several
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 ...
burial mound
Burial, also known as interment or inhumation, is a method of final disposition whereby a dead body is placed into the ground, sometimes with objects. This is usually accomplished by excavating a pit or trench, placing the deceased and objec ...
s, and there is evidence of agricultural use of the area from the Bronze Age onwards, with the higher pastures being used for summer grazing and the valleys for winter grazing and as arable land, the latter indicated by remaining
lynchet
A lynchet or linchet is an Terrace (earthworks), earth terrace found on the side of a hill. Lynchets are a feature of ancient field systems of the British Isles. They are commonly found in vertical rows and more commonly referred to as "strip lyn ...
s.
[The Vale of Llangollen - Dinbren Llangollen Community, Denbighshire, and Llangollen Rural Community, Wrexham]
Clwyd-Powys Archaeological Trust Historically, the crags have been quarried for limestone, and there are also several disused
lead
Lead () is a chemical element; it has Chemical symbol, symbol Pb (from Latin ) and atomic number 82. It is a Heavy metal (elements), heavy metal that is density, denser than most common materials. Lead is Mohs scale, soft and Ductility, malleabl ...
mines; the land use is currently a mixture of
heather moorland
Moorland or moor is a type of Habitat (ecology), habitat found in upland (geology), upland areas in temperate grasslands, savannas, and shrublands and the biomes of montane grasslands and shrublands, characterised by low-growing vegetation on So ...
managed for
Black Grouse
The black grouse (''Lyrurus tetrix''), also known as northern black grouse, Eurasian black grouse, blackgame or blackcock, is a large Aves, bird in the grouse family. It is a Bird migration, sedentary species, spanning across the Palearctic in m ...
, improved sheep pasture and
oak
An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...
woodland, with
conifer
Conifers () are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a sin ...
plantation
Plantations are farms specializing in cash crops, usually mainly planting a single crop, with perhaps ancillary areas for vegetables for eating and so on. Plantations, centered on a plantation house, grow crops including cotton, cannabis, tob ...
s dating from the second half of the twentieth century. In 2000 an insect infestation meant that the entire moorland was sprayed to kill off the insects. This was successful and soon after sheep were allowed to graze in the moorland.
The ancient
township
A township is a form of human settlement or administrative subdivision. Its exact definition varies among countries.
Although the term is occasionally associated with an urban area, this tends to be an exception to the rule. In Australia, Canad ...
of Eglwysegl (also spelt "Eglwysegle" or "Egloysegle", and the root of the modern name Eglwyseg) occupied part of the area. Some antiquaries, such as
Edward Lhuyd and
Thomas Pennant
Thomas Pennant (16 December 1798) was a Welsh natural history, naturalist, traveller, writer and antiquarian. He was born and lived his whole life at his family estate, Downing Hall, near Whitford, Flintshire, in Wales.
As a naturalist he had ...
, speculated that it may have taken its name from
Eliseg (Elisedd ap Gwylog), a historical king of
Powys
Powys ( , ) is a Principal areas of Wales, county and Preserved counties of Wales, preserved county in Wales. It borders Gwynedd, Denbighshire, and Wrexham County Borough, Wrexham to the north; the English Ceremonial counties of England, ceremo ...
. It is, however, more likely that the name Eglwysegl was in fact derived from the
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
''ecclesicula'', a
diminutive
A diminutive is a word obtained by modifying a root word to convey a slighter degree of its root meaning, either to convey the smallness of the object or quality named, or to convey a sense of intimacy or endearment, and sometimes to belittle s ...
of ''ecclesia'' - a "churchlet or chapel".
The relatively remote area continued to be farmed under
freehold tenure; Pennant alluded to this when, writing around 1778, he described the valley:
Long and narrow, bounded on the right by astonishing precipices, divided into numberless parallel strata of white limestone, often giving birth to vast yew-trees ..this valley is chiefly inhabited (happily) by an independent race of warm and wealthy yeoman
Yeoman is a noun originally referring either to one who owns and cultivates land or to the middle ranks of Serfdom, servants in an Peerage of England, English royal or noble household. The term was first documented in Kingdom of England, mid-1 ...
ry, undevoured as yet by the great men of the country.
A medieval church, perhaps the chapel referred to in the name Eglwysegl, was marked on
Speed
In kinematics, the speed (commonly referred to as ''v'') of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a non-negative scalar quantity. Intro ...
and
Saxton's 17th-century maps of the valley, but it had disappeared by 1808.
The school church of St Mary's, built on land donated by Sir
Watkin Williams-Wynn, was opened in 1871; it held its last service in 1985 and has now been converted to residential use. The valley also contained a nonconformist (Calvinistic Methodist) chapel, built in 1856, closed in 1930, and now ruinous. Until the early 20th century, when they were
culvert
A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe (fluid conveyance), pipe, reinforced concrete or other materia ...
ed, there were many
fords across Eglwyseg's numerous streams (the road from
Esclusham Mountain still fords the river at World's End), and there are also a number of 18th-century stone bridges.
The limestone cliffs were quarried in the past for building stone, and lime kilns were used to convert limestone to lime. This had uses as
lime mortar
Lime mortar or torching is a masonry mortar (masonry), mortar composed of lime (material), lime and an construction aggregate, aggregate such as sand, mixed with water. It is one of the oldest known types of mortar, used in ancient Rome and anci ...
as well as to improve soil. At the top of the valley, at
Craig y Forwyn (near World's End) there was a lead and silver mine which operated in the mid 19th century. Also near the head of the valley, but on the Western side, was the Pant Glas slate quarry. After several years prospecting in the valley by John Jones and George Evans a body of slate was discovered there in 1883. With the backing of a Mr George Roper of London the Pant Glas Slate and Slab Company was formed in 1883. An incline was built that year, and there were plans to build a tramway to carry the slate to Llangollen (much like the nearby
Oernant Tramway), but this was never built. There was a tragedy in 1886 when three men were killed in the quarry by the sudden collapse of 1000 tons of overhanging rock. The Pant Glas slate company was put into voluntary liquidation in 1892, the same year that the Llangollen Slab and Slate Company was wound up with closure of its quarries and the Pentrefelin slate and slab mill.
Folklore

Eglwyseg was the setting for a popular legend of St.
Collen, who was supposed to have killed a giantess called Cares y Bwlch, despite her call for aid from Arthur, another giant who had made his home in the Eglwyseg Rocks. The legend, related by
Sabine Baring-Gould
Sabine Baring-Gould (; 28 January 1834 – 2 January 1924) of Lew Trenchard in Devon, England, was an Anglican priest, hagiographer, antiquarian, novelist, folk song collector and eclectic scholar. His bibliography consists of more than 1,240 pu ...
, was recorded at
Corwen, amongst other localities.
The manor house of Plas Uchaf yn Eglwyseg
rid reference was said to stand on the site of a hunting lodge belonging to
Owain ap Cadwgan, a prince of Powys: a story related that it was the place to which Owain took
Nest ferch Rhys, when he abducted her and her children from
Gerald de Windsor, her husband, in 1109. There was also a local tradition that a Prince Llewelyn had once hidden in a cave in the rocks near Plas Uchaf (there were
several Welsh princes of this name). Plas Uchaf was later the home of
John Jones Maesygarnedd
John Jones Maesygarnedd (c. 1597 – 17 October 1660) was a Welsh military leader and politician, known as one of the regicides of King Charles I following the English Civil War. A brother-in-law of Oliver Cromwell, Jones was a Parliamentar ...
, a prominent Republican in the
Wars of the Three Kingdoms
The Wars of the Three Kingdoms were a series of conflicts fought between 1639 and 1653 in the kingdoms of Kingdom of England, England, Kingdom of Scotland, Scotland and Kingdom of Ireland, Ireland, then separate entities in a personal union un ...
, and one of the
regicides of
Charles I.
Today
Offa's Dyke Path
Offa's Dyke Path () is a long-distance footpath loosely following the Wales–England border. Officially opened on 10 July 1971, by John Hunt, Baron Hunt, Lord Hunt, it is one of Britain's National Trails and draws hillwalking, walkers from th ...
passes through the area, and Eglwyseg is also popular with
rock climbers, with around 800 routes, both
sport
Sport is a physical activity or game, often Competition, competitive and organization, organized, that maintains or improves physical ability and skills. Sport may provide enjoyment to participants and entertainment to spectators. The numbe ...
and
traditional
A tradition is a system of beliefs or behaviors (folk custom) passed down within a group of people or society with symbolic meaning or special significance with origins in the past. A component of cultural expressions and folklore, common examp ...
.
The 'Panorama Walk' starts at the westernmost junction of Blackwood Road (Garth Mountain)
rid reference accessed from the A539 Ruabon-Llangollen main road either via Tower Hill in
Acrefair or Garth Road,
Trevor. From Blackwood Road the Walk (or drive) proceeds SSE to the sharp right turn to head westwards along the Vale of Llangollen. Approximately 100m beyond the cattle grid is a small parking area from which a pathway leads to the stone memorial
rid reference erected for local Welsh poet,
I. D. Hooson.
At the next clear bend
rid reference the 'Walk' joins the Offa's Dyke Path and affords magnificent views of the Dee Valley,
Castell Dinas Brân and the mountains beyond, and Trevor Rocks (with quarry) which marks the easternmost
outcrop
An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth and other terrestrial planets.
Features
Outcrops do not cover the majority of the Earth's land surface because in most p ...
of the main Eglwyseg Escarpment. The junction with Dinbren Road
rid reference which leads to Llangollen town centre, is where the Panorama walk officially ends; the Offa's Dyke Path continues onwards to World's End and beyond.
ote: Grid References may also be accurately pinpointed by use of ‘UK Grid Reference Finder'[UK Grid Reference Finder: https://gridreferencefinder.com/]
Eglwyseg is one of the few sites where the Whitebeam ''
Sorbus anglica'' is known to grow, and one of only three sites where the Welsh Hawkweed (''
Heiracium cambricum'') has been recorded. The rare Limestone Oak Fern ''
Gymnocarpium robertianum'' and Rigid Buckler-Fern ''
Dryopteris submontana'' have also been recorded here.
References
External links
Historic Landscape Characterisation: The Vale of Llangollen & Eglywseg
Rockfax: ClwydPhotos of Eglwyseg and surrounding area on geograph.org.uk
{{Denbighshire, state=collapsed
Valleys of Denbighshire
Sites of Special Scientific Interest in Clwyd