CORRIB, LOUGH, a lake of western Ireland, in the coun ties Galway and Mayo. It lies north-west and south-east and is 27 m. long. The extreme breadth is 7 m., but the lough narrows near the centre to a few hundred yards. Lough Corrib hardly exceeds 3o ft. in depth at any point, and is dotted with islands. It lies 29 ft. above sea-level and drains by the short river Corrib to Galway Bay. Lough Mask lies to its north and is connected with it by a partly subterranean channel.