River Derg

The River Derg is a small river in Ireland. The river has its source in the Lough Derg and it flows to east through Castlederg and join to the River Strule to form the River Mourne. The upper reaches of the catchment are characterised by peatland, while the lower reaches flow predominantly through farmland.[1] The River Derg's length is 28 miles (45 km)[2]

River Derg
River Derg and the Ardstraw Bridge
EtymologyFrom Lough Derg, 'red lake'
Native nameAbhainn na Deirge
Location
CountryRepublic of Ireland, Northern Ireland
Physical characteristics
Source 
  locationLough Derg, County Donegal
  elevation138 metres (453 ft)
Mouth 
  location
North Channel via Lough Foyle, River Foyle, River Mourne
Length45 kilometres (28 mi)
Basin size440 square kilometres (170 sq mi)
Discharge 
  average16.2 m3/s (570 cu ft/s)
River Derg on the Northern Ireland side of the border

The River Derg is known for its salmon, grilse and sea trout.

See also

Rivers of Ireland

References

  1. Derg Lough Foyle
  2. Ordnance Survey of Ireland: Rivers and their Catchment Basins 1958 (Table of Reference)



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