GeotchaA geography quiz on a real globe

25 longest rivers in Southeast Asia

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. 1Mekong4,350 km
2. 2Salween2,815 km
3. 3Irrawaddy2,170 km
4. 4Chindwin1,207 km
5. 5Red River1,149 km
6. 6Kapuas1,143 km
7. 7Sepik1,126 km
8. 8Fly1,050 km
9. 9Mahakam940 km
10. 10Black River910 km
11. 11Barito900 km
12. 12Batang Hari800 km
13. 13Ping800 km
14. 14Chi765 km
15. 15Nan740 km
16. 16Pulau674 km
17. 17Mun673 km
18. 18Katingan650 km
19. 19Shweli610 km
20. 20Digul600 km
21. 21Kapuas (Barito River tributary)600 km
22. 22Rokan600 km
23. 23Yom600 km
24. 24Dong Nai586 km
25. 25Kayan576 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. Southeast Asia: Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, Timor-Leste and Vietnam. Places are by geography: what lies in a dependency counts for its own region (Puerto Rico’s islands are the Caribbean’s, Réunion’s Africa’s), and Hawaii is in Polynesia.

On the map

More in Southeast Asia

• 25 largest cities in Southeast Asia
• Countries of Southeast Asia
• 25 highest peaks in Southeast Asia
• 25 largest islands in Southeast Asia
• 25 largest cities in Southeast Asia
• 25 largest islands in Southeast Asia

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