GeotchaA geography quiz on a real globe

17 longest rivers in Czechia

17 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. 1Elbe1,094 km
  2. 2Oder854 km
  3. 3Vltava430 km
  4. 4Morava388 km
  5. 5Bóbr272 km
  6. 6Weisse Elster257 km
  7. 7Lusatian Nysa254 km
  8. 8Ohře247 km
  9. 9Thaya235 km
  10. 10Sázava226 km
  11. 11Lužnice208 km
  12. 12Svratka174 km
  13. 13Regen169 km
  14. 14Jizera167 km
  15. 15Berounka139 km
  16. 16Otava112 km
  17. 17Olza99 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.

On the map

Map of 17 longest rivers in Czechia, 17 rivers: each one marked on the globe

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