1. Lakes

2. Lake A lake is a body of water which is inland, not part of the ocean, is larger and deeper than a pond, and is fed by a river.

3. Saimaa

4. Lakes Most lakes have a natural in the form of a river or stream, but some do not and lose water solely by evaporation or underground seepage or both.

5. Lake Chad

6. Aral Sea

8. Former Aral Sea

9. Caspian Sea

10. Lake Eyre

11. Salt lakes Salt lakes can form where there is no natural outlet or where the water evaporates rapidly and the drainage surface of the water table has a higher- than-normal salt content.

12. Great Salt Lake

13. Lake Balkhash

14. Types of lakes Types of lakes by basin formation

15. Rift lakes A rift lake is a lake formed as a result of subsidence related to movement on faults within a rift zone, an area of extensional tectonics in the continental crust. They are often found within rift valleys and may be very deep.

16. Baikali järv

17. Tanganjika järv

18. Lake Superior

19. Crater lake A lake which forms in a volcanic caldera or crater after the volcano has been inactive for some time

20. Lake Toba

21. Crater Lake in Oregon

22. Maar lake in Germany

23. Glacial lake A glacial lake is a lake with origins in a melted glacier Most Estonian lakes are glacial lakes

24. The Great Lakes

25. Lake Peipsi-Pihkva

26. Lake Ladoga

27. Oxbow lake A lake which is formed when a wide meander from a stream or a river is cut off to form a lake

28. Oxbow lake Meanders and oxbow lakes on the Nowitna River, Alaska

29. Thermokarst lakes A body of freshwater, usually shallow, that is formed in a depression by meltwater from thawing permafrost

30. Thermokarst lakes

31. Artificial lake A lake created by flooding land behind a dam

32. Subglacial lake A subglacial lake is a lake under a glacier Lake Vostok