Lough Arrow is a large, limestone lake with wooded islands and reedbeds. It is situated north of Ballinafad in Counties Sligo and Roscommon. Historically, the nutrient-levels in the lake-water have been moderate (mesotrophic). There is trout- and eel-fishing and boating. Information on land-uses is incomplete.
The site was designated as a Special Protection Area on the basis of migratory waterfowl, with the following number of individuals recorded during the period 1986-1987: Tachybaptus ruficollis (35), Anas penelope (87), Anas platyrhynchos (27), Aythya ferina (36), Aythya fuligula (226), Bucephala clangula (49) and Fulica atra (325).
BirdLife International (2020) Important Bird Areas factsheet: Lough Arrow. Downloaded from http://www.birdlife.org on 12/08/2020.