Deepest lake

Lake Baikal in the southern part of eastern Siberia, Russia is the deepest lake in the world. It is 620 km (385 miles) long and 32-74 km (20-46 miles) wide. In 1974 the lake’s Olkhon Crevice was measured by the Hydrographic Service of the Soviet Pacific Navy and found to be 1,637 m (5,371 ft) deep, of which 1,181 m (3,875 ft) is below sea level.