GeotchaA geography quiz on a real globe

25 longest rivers in Indochina

25 rivers, 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 rivers

  1. 1Mekong4,350 km
  2. 2Salween2,815 km
  3. 3Irrawaddy2,170 km
  4. 4Chindwin1,207 km
  5. 5Red River1,149 km
  6. 6Black River910 km
  7. 7Ping800 km
  8. 8Chi765 km
  9. 9Nan740 km
  10. 10Mun673 km
  11. 11Shweli610 km
  12. 12Yom600 km
  13. 13Dong Nai586 km
  14. 14Sittaung560 km
  15. 15Myitnge528 km
  16. 16Cả River513 km
  17. 17Pa Sak513 km
  18. 18Ma River512 km
  19. 19Lô River470 km
  20. 20Kaladan450 km
  21. 21Nam Ou448 km
  22. 22Chao Phraya372 km
  23. 23Nam Ngum354 km
  24. 24Be River350 km
  25. 25Wang335 km

Length in km as Wikidata records it (P2043, the best-ranked figure). Each named river counts on its own: the river that carries the name, from its source to its mouth. Headstreams and tributaries with names of their own are rivers of their own, so the Missouri and the Mississippi are two rivers here, as are the Irtysh and the Ob (the Longest River Systems set measures such chains as one system, from the most distant source). A named section of a river is that river: the Solimões, as the Amazon’s upper course is called in Brazil, is the Amazon. Where the recorded length runs from a differently named headwater (the Congo’s from the Lualaba’s source), the course is drawn on up that headwater. Rivers under 200 km are in only when they are well known (30 or more Wikipedia editions), and a river whose mapped course covers under half its recorded length is left out. Indochina: mainland Southeast Asia, Cambodia, Laos, Myanmar, Thailand and Vietnam. Places are by geography: what lies in a dependency counts for its own region (Puerto Rico’s islands are the Caribbean’s, Réunion’s Africa’s), and Hawaii is in Polynesia.

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