River Cladagh

The Cladagh River (from Irish an Chlaideach 'washing river'[1]) is a small river in County Fermanagh, formed from three rivers and a number of streams draining off the northern slopes of Cuilcagh mountain, which combine underground in the Marble Arch Cave system. On the surface, the River Cladagh emerges from one of the largest karst resurgences in the UK,[2] before flowing through Cladagh Glen Nature Reserve and eventually draining into the Arney River.

This article is about the river in County Fermanagh, Northern Ireland which flows from Marble Arch Caves to the Arney River. For the river which flows from County Cavan, Republic of Ireland into Upper Lough Erne in County Fermanagh, see River Cladagh (Swanlinbar).

Cladagh River
Cladagh River flowing through Cladagh Glen
Native namean Chlaideach (Irish)
Location
CountryUnited Kingdom
StateNorthern Ireland
RegionUlster
CountyCounty Fermanagh
Physical characteristics
Source 
 • locationMarble Arch Caves, County Fermanagh
 • coordinates54°15′36.464″N 7°48′48.744″W
 • elevation145 m (476 ft)
MouthArney River
 • coordinates
54°17′10.73″N 7°47′29.19″W
 • elevation
50 m (160 ft)
Length4 km (2.5 mi)

Course

Below ground
Main article: Marble Arch Caves

The river is sourced by three tributaries: the Sruh Croppa, the Aghinrawn and the Owenbrean; all of which sink into limestone on the Marlbank (a plateau on northern Cuilcagh Mountain) and join underground in the extensive Marble Arch cave system.[3] The Sruh Croppa and Aghinrawn flow together for a short distance from Cradle Hole into Marble Arch Cave, before joining up with the Owenbrean at The Junction. In normal water levels, the Marble Arch Caves tour begins by boat, underground on the initial stretch of the Cladagh, and passes The Junction before continuing upstream along the Owenbrean.[3]

Above ground

The main resurgence from the cave system pours from beneath a cliff face into the chaotic limestone collapse fields immediately above the Marble Arch, a natural limestone bridge which lends its name to the cave system. The Cladagh then cascades under the arch and turns abruptly north into the head of Cladagh River gorge, or Cladagh Glen.[4]

A white-painted metal double gate and a wooden pedestrian gate in a low stone wall, with a gravel carpark to the fore and a grassy area and trees to the rear.
Parking area and entrance to Cladagh Glen, September 2008.

Halfway along Cladagh Glen, another large resurgence joins the Cladagh at Cascades Rising. This is the discharge for the Prod's Pot–Cascades Rising section of the Marble Arch Cave system, which takes water from a large catchment including Gortmaconnell (2 km), Brookfield (2.5 km) and more surprisingly Badger Pot and other East Cuilcagh sinks, 5.5 km away, as well as a portion of the Owenbrean River from small sinks upstream of its main sink at Pollasumera (Gunn, J.).[5]

Environment

This area is part of the Marble Arch Caves Global Geopark which includes Marlbank Forest, the Cladagh Glen and the Marble Arch National Nature Reserve. A loop from the Ulster Way traverses Cladagh Glen.[6]

See also

Notes
  1. "Illustrations of Townlands in Maps". Ulster Placenames – Celebrating Ulster's Townlands. Retrieved 5 May 2009.
  2. "Marlbank–Cuilcagh Mountain Region; Marble Arch Karst – Full Report". Earth Science Conservation Review. Northern Ireland Environment Agency. Retrieved 14 March 2020.
  3. Jones, Burns, Fogg & Kelly (1997), p. 79
  4. "Cladagh River, Marble Arch". Earth Science Conservation Review. Northern Ireland Environment Agency. Retrieved 28 February 2009.
  5. Jones, Burns, Fogg & Kelly (1997), p. 61
  6. "Marlbank Forest". NI Direct. Northern Ireland Government. Retrieved 14 March 2020.

References
  • Jones, Gareth Ll.; Burns, Gaby; Fogg, Tim; Kelly, John (1997). The Caves of Fermanagh and Cavan (2nd Ed.). Lough Nilly Press. ISBN 0-9531602-0-3.
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