The Ribble and Alt Estuaries lie on the Irish Sea coast of the counties of Lancashire and Merseyside in north-west England, and form the boundaries of a number of nature preservation schemes. (Ribble Estuary: 53°41′N 2°50′W / 53.683°N 2.833°W / 53.683; -2.833, Alt Estuary: 53°31′N 3°04′W / 53.517°N 3.067°W / 53.517; -3.067.)
Read more about Ribble And Alt Estuaries: Protected Area, Species