GeotchaA geography quiz on a real globe

25 longest rivers of the Northern Dvina basin

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. 1Vychegda1,130 km
  2. 2Pinega779 km
  3. 3Northern Dvina744 km
  4. 4Vaga575 km
  5. 5Luza574 km
  6. 6Yug574 km
  7. 7Sukhona558 km
  8. 8Vym499 km
  9. 9Sysola487 km
  10. 10Ustya477 km
  11. 11Kubena368 km
  12. 12Viled321 km
  13. 13Yarenga281 km
  14. 14Lokchim272 km
  15. 15Nem260 km
  16. 16Yolva255 km
  17. 17Kokshenga251 km
  18. 18Yula250 km
  19. 19Vishera (Komi Republic)247 km
  20. 20Uftyuga236 km
  21. 21Mekhrenga231 km
  22. 22Vel223 km
  23. 23Vaenga218 km
  24. 24Nivshera215 km
  25. 25Kichmenga208 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. Rivers in Antarctica are left out unless the quiz includes Antarctica. The Northern Dvina basin: the Northern Dvina and every river here that flows into it, directly or through other rivers and lakes, following where Wikidata says each river flows (P403) downstream.

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