|Source||Confluence of Kogruk and Tupik creeks|
|- location||De Long Mountains, Brooks Range, National Petroleum Reserve–Alaska|
|- elevation||2,075 ft (632 m) |
|Mouth||Kasegaluk Lagoon, Chukchi Sea, Arctic Ocean|
|- location||20 miles (32 km) southwest of Icy Cape|
|- elevation||0 ft (0 m) |
|Length||225 mi (362 km) |
The Utukok River is a 225-mile (362 km) long stream in the North Slope Borough of the U.S. state of Alaska. It rises in the De Long Mountains at the confluence of Kogruk and Tupik creeks and flows north, northeast, and then northwest. It empties into Kasegaluk Lagoon on the Chukchi Sea of the Arctic Ocean, 20 miles (32 km) southwest of Icy Cape.
- Derived by entering source coordinates in Google Earth.
- "Utukok River". Geographic Names Information System. United States Geological Survey. January 1, 2000. Retrieved September 8, 2013.
- Orth, Donald J.; United States Geological Survey (1971) . Dictionary of Alaska Place Names: Geological Survey Professional Paper 567 (PDF). University of Alaska Fairbanks. United States Government Printing Office. p. 1015. Retrieved September 8, 2013.
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