Coniston Water

Max Length: 8.8 km (5.5 mi)

Max Width: 793 m (0.49 mi)

Surface Area: 4.7 km2 (1.8 sq mi)

Max Depth: 56.1 m (184.1 ft)

Coniston Water in the English county of Cumbria is the third-largest lake in the Lake District by volume (after Windermere and Ullswater), and the fifth-largest by area. It is five miles long by half a mile wide (8 km by 800 m), has a maximum depth of 184 feet (56 m), and covers an area of 1.89 square miles (4.9 km2). The lake has an elevation of 143 feet (44 m) above sea level. It drains to the sea via the River Crake.

Wikipedia