GeotchaA geography quiz on a real globe

50 longest rivers of the Pacific basin

50 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. 1Yangtze6,300 km
2. 2Yellow River5,464 km
3. 3Mekong4,350 km
4. 4Yukon3,190 km
5. 5Amur2,824 km
6. 6Colorado2,334 km
7. 7Columbia2,000 km
8. 8Snake River1,735 km
9. 9Argun1,620 km
10. 10Han (Hubei and Shaanxi)1,532 km
11. 11Songhua1,434 km
12. 12Fraser1,375 km
13. 13Nen1,370 km
14. 14Liao1,345 km
15. 15Yalong1,323 km
16. 16Kherlen1,254 km
17. 17Zeya1,242 km
18. 18Green River1,175 km
19. 19Yu River1,152 km
20. 20Wu River1,150 km
21. 21Red River1,149 km
22. 22Kapuas1,143 km
23. 23Kuskokwim1,130 km
24. 24Sepik1,126 km
25. 25Jialing1,119 km
26. 26Fly1,050 km
27. 27Gila1,044 km
28. 28Onon1,032 km
29. 29Flinders1,004 km
30. 30Mahakam940 km
31. 31Tanana940 km
32. 32Porcupine916 km
33. 33Black River910 km
34. 34Barito900 km
35. 35Ussuri897 km
36. 36Gilbert887 km
37. 37Luan877 km
38. 38Nanpan856 km
39. 39Wei818 km
40. 40Yalu813 km
41. 41Innoko805 km
42. 42Koyukuk805 km
43. 43Xiang801 km
44. 44Batang Hari800 km
45. 45Ping800 km
46. 46Kootenay780 km
47. 47Chi765 km
48. 48Kamchatka758 km
49. 49Lerma750 km
50. 50Mitchell750 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 Pacific Ocean basin: every river here whose waters reach the Pacific Ocean or a sea, gulf or bay inside it, as the IHO's sea areas nest (the North Sea lies in the Atlantic, the Adriatic in the Mediterranean), directly or through other rivers and lakes, following where Wikidata says each river flows (P403) downstream. Rivers of inland basins (the Caspian Sea, Lake Balkhash) reach no ocean.

On the map

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