GeotchaA geography quiz on a real globe

25 longest rivers in Sakha

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. 1Lena4,294 km
2. 2Vilyuy2,650 km
3. 3Aldan2,273 km
4. 4Olenyok2,270 km
5. 5Kolyma2,129 km
6. 6Vitim1,837 km
7. 7Indigirka1,726 km
8. 8Alazeya1,590 km
9. 9Amga1,462 km
10. 10Olyokma1,436 km
11. 11Markha1,181 km
12. 12Omolon1,114 km
13. 13Tyung1,092 km
14. 14Maya1,053 km
15. 15Anabar939 km
16. 16Yana872 km
17. 17Chara851 km
18. 18Morkoka841 km
19. 19Uchur812 km
20. 20Linde804 km
21. 21Chona802 km
22. 22Nyuya798 km
23. 23Selennyakh796 km
24. 24Rossokha790 km
25. 25Yudoma765 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

More in Sakha

• 9 largest cities in Sakha
• 12 largest lakes in Sakha
• 17 largest islands in Sakha

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