River Lennon

River Leannan
Leannan River
The "Fish House", Ramelton, with the River Lennon passing it
Native nameAn Leanainn (Irish)
Location
CountryIreland
CitiesKilmacrennan, Ramelton
Physical characteristics
Source 
  locationGlendowan Mountains
Mouth 
  location
Atlantic Ocean via Lough Swilly at Ramelton
Length45.9 km (28.5 mi)
Basin size262 km2 (101 sq mi)
Discharge 
  average21.3 m3/s (750 cu ft/s)
  maximum41.79 m3/s (1,476 cu ft/s)

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