GeotchaA geography quiz on a real globe

20 longest rivers in Perm Krai

20 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. 1Kama1,805 km
  2. 2Chusovaya735 km
  3. 3Cheptsa501 km
  4. 4Sylva493 km
  5. 5Kolva460 km
  6. 6Vishera415 km
  7. 7Yayva304 km
  8. 8Kosva283 km
  9. 9Kosa267 km
  10. 10Usva266 km
  11. 11Veslyana266 km
  12. 12Inva257 km
  13. 13Obva247 km
  14. 14Glukhaya Vilva234 km
  15. 15Buy228 km
  16. 16Iren214 km
  17. 17Pilva214 km
  18. 18Barda209 km
  19. 19Beryozovaya208 km
  20. 20Siva206 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. An item counts for every first-level unit (state, province, county) it touches: a lake or island by its outline, a river by its course, within about 1.5 km; a summit, a cape or anything without a shape by its point.

On the map

Map of 20 longest rivers in Perm Krai, 20 rivers: each one marked on the globe

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