The River Lennon or Leannan (Irish: An Leanainn[1]) is a river in County Donegal, Ireland.[2]

River Leannan Leannan River
The "Fish House", Ramelton, with the River Lennon passing it
Native name	An Leanainn  (Irish)
Location
Country	Ireland
Cities	Kilmacrennan, Ramelton
Physical characteristics
Source
• location	Glendowan Mountains
Mouth
• location	Atlantic Ocean via Lough Swilly at Ramelton
Length	45.9 kilometres (28.5 mi)
Basin size	262 square kilometres (101 sq mi)
Discharge
• average	21.3 m3/s (750 cu ft/s)
• maximum	41.79 m3/s (1,476 cu ft/s)

Course

The River Lennon rises in the Glendowan Mountains and flows through Gartan Lough and Lough Fern. It continues through Kilmacrennan and enters Lough Swilly at Ramelton.

Pollution

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Wildlife

The River Lennon is a noted brown trout fishery.[3] Salmon numbers are recovering after a UDN outbreak in the 1970's. Other species found in the river (a Special Area of Conservation) include the freshwater pearl mussel, European otter and slender naiad.[4]

See also

• Rivers of Ireland

References