Only one of the lakes in the Lake District is called by that name, Bassenthwaite Lake. The rest are meres, tarns and waters, with mere being the least common and water being the most common. Windermere is the largest body of water in the Lake District. It is one mile wide, 10.5 miles long and 220 feet deep and Wastwater, at 74 metres or 243 feet deep is the deepest.​​