GeotchaA geography quiz on a real globe

22 longest rivers in the northeastern United States

22 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. 1Ohio1,579 km
  2. 2St. Lawrence1,197 km
  3. 3Susquehanna715 km
  4. 4Connecticut660 km
  5. 5Saint John606 km
  6. 6Delaware579 km
  7. 7Allegheny523 km
  8. 8Hudson492 km
  9. 9Androscoggin264 km
  10. 10Genesee253 km
  11. 11Housatonic240 km
  12. 12Kennebec240 km
  13. 13Mohawk240 km
  14. 14Raquette235 km
  15. 15Aroostook225 km
  16. 16Oswegatchie225 km
  17. 17Saco219 km
  18. 18Youghiogheny216 km
  19. 19Monongahela209 km
  20. 20Schuylkill207 km
  21. 21Charles129 km
  22. 22Niagara53 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. The northeastern United States: the US Census Northeast, New England, New York, New Jersey and Pennsylvania. 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.

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