GeotchaA geography quiz on a real globe

16 longest rivers of the Vistula basin

16 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. 1Vistula1,047 km
  2. 2Western Bug772 km
  3. 3Narew484 km
  4. 4San444 km
  5. 5Wieprz328 km
  6. 6Pilica319 km
  7. 7Dunajec274 km
  8. 8Wkra249 km
  9. 9Brda217 km
  10. 10Drwęca207 km
  11. 11Wisłok205 km
  12. 12Poprad174 km
  13. 13Bzura166 km
  14. 14Biebrza155 km
  15. 15Nida151 km
  16. 16Kurówka50 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 Vistula basin: the Vistula 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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