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| Great Divide Basin | |
|---|---|
 The Great Divide Basin (the uppermost "loop" on the map above) is an endorheic drainage basin on the Continental Divide (red line) in the United States. | |
| Floor elevation | 6,500 ft (2,000 m)[1] |
| Area | 3,959 sq mi (10,250 km2) [2] |
| Geography | |
| Country | United States |
| State | Wyoming |
| Region | Red Desert |
| Coordinates | 42°00′01″N 107°59′02″W / 42.00028°N 107.98389°W |
The Great Divide Basin or Great Divide Closed Basin[3] is an area of land in the Red Desert of Wyoming where none of the water falling as rain to the ground drains into any ocean, directly or indirectly. It is thus an endorheic basin, one of several in North America that adjoin the Continental Divide. To the south and west of the basin is the Green River watershed, draining to the Gulf of California/Pacific Ocean; to the north and east is the North Platte watershed, draining to the Gulf of Mexico. The basin is very roughly rectangular in shape; the northwest corner is at Oregon Buttes near South Pass, about 40 miles (64 km) southwest of Lander, and the southeast corner is in the Sierra Madre Range near Bridger Pass, about 20 miles (32 km) southwest of Rawlins.[4][5]
- ^ U.S. Geological Survey Geographic Names Information System: Great Divide Basin
- ^ "Statewide Data Inventory - Green River/Great Divide Basin Introduction". Waterplan.state.wy.us. Archived from the original on 2016-09-21. Retrieved 2008-12-05.
- ^ "Great Divide Closed Basin Watershed -- 14040200". cfpub.epa.gov. United States Environmental Protection Agency. Archived from the original on 2011-07-21. Retrieved 2010-04-24.
- ^ "Select Area of Interest". www.wsgs.uwyo.edu. Wyoming State Geological Survey. Archived from the original on 2012-02-24. Retrieved 2010-04-24. (Great Basin Divide Archived 2011-07-20 at the Wayback Machine, Washakie Basin Archived 2012-02-24 at the Wayback Machine)
- ^ Francis, Julie. "The Great Divide and Green River Basins". Wyoming State Geological Survey. Archived from the original on May 9, 2021. Retrieved December 30, 2021.