GeotchaA geography quiz on a real globe

12 longest rivers of the Amu Darya basin

12 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. 1Amu Darya2,620 km
  2. 2Panj921 km
  3. 3Zeravshan877 km
  4. 4Bartang528 km
  5. 5Vakhsh524 km
  6. 6Kunduz420 km
  7. 7Kofarnihon387 km
  8. 8Kokcha360 km
  9. 9Kyzylsu (Osh and Republican Subordination)235 km
  10. 10Kyzylsu230 km
  11. 11Wakhan220 km
  12. 12Khingab205 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 Amu Darya basin: the Amu Darya 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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