GeotchaA geography quiz on a real globe

25 longest rivers in Alberta

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. 1Peace River1,923 km
  2. 2North Saskatchewan River1,380 km
  3. 3Athabasca1,231 km
  4. 4Milk River1,173 km
  5. 5South Saskatchewan River1,004 km
  6. 6Red Deer River801 km
  7. 7Battle800 km
  8. 8Hay River702 km
  9. 9Beaver River689 km
  10. 10Bow River587 km
  11. 11Pembina547 km
  12. 12Chinchaga500 km
  13. 13Smoky River492 km
  14. 14Buffalo River (Canada)483 km
  15. 15Wabasca480 km
  16. 16Oldman445 km
  17. 17Vermilion (Alberta)435 km
  18. 18Slave434 km
  19. 19Petitot404 km
  20. 20Birch380 km
  21. 21Little Smoky River350 km
  22. 22Boyer332 km
  23. 23Rosebud327 km
  24. 24Yates310 km
  25. 25Kakisa300 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.

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