GeotchaA geography quiz on a real globe

25 largest reservoirs in the world

25 reservoirs, each one drawn on a satellite globe. Name it when it lights up, find it when you are given its name, or type every one you can remember in Name all.

Free to play, with no account needed. What you miss comes back for review until it sticks.

The reservoirs

  1. 1Lake Volta8,502 km²
  2. 2Smallwood Reservoir6,527 km²
  3. 3Kuybyshev Reservoir6,450 km²
  4. 4Bratsk Reservoir5,470 km²
  5. 5Lake Kariba5,400 km²
  6. 6Lake Nasser5,250 km²
  7. 7Rybinsk Reservoir4,580 km²
  8. 8Vilyuy Reservoir4,352 km²
  9. 9Caniapiscau Reservoir4,318 km²
  10. 10Sobradinho Reservoir4,220 km²
  11. 11Guri Reservoir3,674 km²
  12. 12Zeya Reservoir3,269 km²
  13. 13Volgograd Reservoir3,117 km²
  14. 14Lago Tucuruí2,850 km²
  15. 15Robert-Bourassa Reservoir2,835 km²
  16. 16Cahora Bassa Reservoir2,739 km²
  17. 17Lake Tharthar2,710 km²
  18. 18Tsimlyansk Reservoir2,700 km²
  19. 19Réservoir La Grande 32,420 km²
  20. 20Lake Kossou2,375 km²
  21. 21Kremenchuk Reservoir2,250 km²
  22. 22Cheboksary Reservoir2,190 km²
  23. 23Kakhovka Reservoir2,155 km²
  24. 24Manicouagan Reservoir1,942 km²
  25. 25Lake Oahe1,922 km²

Surface area in km²: the Largest Lakes set’s figure for its lakes, else Wikidata’s (P2046) where it fits the outline, else the area of the outline. Seasonal salt pans keep their recorded figure; their area varies. Every named lake Natural Earth maps at 1:10m (with its supplements for Europe, North America and Australia), and every lake of the Largest Lakes set. The Caspian Sea counts as a lake, as in that set; coastal lagoons (the Vistula Lagoon, the Black Sea limans) do not. Countries are those on its shores, from the outlines. Reservoirs only: lakes Natural Earth marks as reservoirs, or Wikidata records as one (an artificial lake behind a dam).

On the map

Map of 25 largest reservoirs in the world, 25 reservoirs: each one marked on the globe

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