Dimensions Guide

The deepest lake in the world is the Baikal Lake in Russia. It is 1,647 m (5,469 ft) deep. It is located in the Siberian region. The following is a list of other lakes that go to depths of at least 400 m.

The Top Ten

Next to the Baikal Lake is Lake Tanganyika with a depth of 1,470 m (4,823 ft). It runs along the Democratic Republic of Congo, Burundi, Tanzania and Zambia. All these countries are in Central Africa.

At number three is the Caspian Sea (in spite of its name, it is still regarded as a lake). The lake is 1,025 m deep (3,363 ft). The lake is situated along Russia, Iran, Turkmenistan, Azerbaijan and Kazakhstan.

The fourth deepest lake is Lake Vostok in Antarctica. It is approximately 900 m (2,800 ft) deep. At number five is the O Higgins-San Marino Lake along Argentina and Chile. It is 836 m (2,742 ft) deep.

The sixth deepest is Nyasa Lake. It is 706 m (2,316 ft) and found along Mozambique, Malawi and Tanzania. The seventh deepest is Lake Issyk Kul in Kyrgyzstan (668 m; 2,192 ft). At number eight is Great Slave Lake in Canada in the Northwest Territories. The lake is 614 m (2,015 ft) deep.

The ninth deepest is Crater Lake in Oregon in the US. It is 594 m (1,949 ft) deep. At tenth place is Indonesia’s Matano Lake in the Sulawesi region. It is 590 m or 1,590 ft.

The Deepest Lakes: 11 to 23

At number 11 is General Carrera, found in Chile and Argentina. It is 588 m (1,923 ft) deep. The 12th deepest is Hornindalsvatnet Lake in Norway. The lake is 514 m (1,686 ft) deep and found in the Sogn og Fjordane region.

At 13th spot is Quesnel in Canada (British Columbia). Its depth has been measured at 506 m (1,660 ft). Toba Lake is at number 14 (505 m; 1,657 ft). It is found in Sumatra, Indonesia. The Sarez Lake in Tajikistan is the same depth as Lake Toba.

The 15th deepest is Tahoe Lake in the US (California, Nevada). It is 501 m (1,644 ft). The 16th deepest lake is Argentino at 500 m (1,640 ft). It is found in the Santa Cruz region in Argentina. At 17th spot is Lake Kivu (480 m; 1,575 ft). It is in the Democratic Republic of Congo and Rwanda. At 18th place is Mjosa in Norway (468 m; 1,535 ft).

At 19th place are Lakes Salvatin in Norway and Nahuel Hiopi in Argentina. They are both 464 m (1,523 ft) deep. At 20th place is Hauroko Lake in New Zealand. It is 462 m (1,516 ft) deep.

At 21st place is Lake Tinnsja in Norway with a depth of 480 m (1,509 ft). At 22nd spot is Adams Lake in Canada (457 m, 1,499 ft). Lake Chelain is at 23rd place in the US. It is 453 m or 1,488 ft.

The deepest lakes in the world are determined through careful study and scrutiny. Only when the lake has been evaluated can its depth be assessed correctly.