GeotchaA geography quiz on a real globe

Rivers in North America among the world’s 100 longest

15 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. 1Mississippi3,766 km
2. 2Missouri3,726 km
3. 3Yukon3,190 km
4. 4Rio Grande3,051 km
5. 5Arkansas2,364 km
6. 6Colorado2,334 km
7. 7Red River (United States)2,189 km
8. 8Columbia2,000 km
9. 9Peace River1,923 km
10. 10Mackenzie1,738 km
11. 11Snake River1,735 km
12. 12Churchill1,609 km
13. 13Ohio1,579 km
14. 14Pecos1,560 km
15. 15Canadian1,458 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. 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. Ranked in the world first: the 100 longest rivers of the world, and of those the ones in North America.

More in North America

• 25 largest cities in North America
• Countries of North America
• 25 largest regions in North America
• 25 largest lakes in North America
• 25 longest rivers in North America
• 25 highest peaks in North America
• 25 largest islands in North America
• 14 largest glaciers in North America by area
• Cities ranked 26–50 in North America
• 10 most populous countries in North America

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