With a maximum depth of 1,642 meters or 5,387 feet, Lake Baikal is the world’s deepest lake. It also boasts an impressive average depth of 745 meters or 2,444 feet. The second deepest lake on Earth is Lake Tanganyika, which has a maximum depth of 1,470 meters or 4,820 feet and an average depth of 570 meters, or 1,870 feet. …