Utukok River

The Utukok River is a 225-mile (362 km) long stream in the North Slope Borough of the U.S. state of Alaska.[3] It rises in the De Long Mountains at the confluence of Kogruk and Tupik creeks and flows north, northeast, and then northwest.[2] It empties into Kasegaluk Lagoon on the Chukchi Sea of the Arctic Ocean, 20 miles (32 km) southwest of Icy Cape.[2] It is the breeding ground for Arctic Caribou and various birds.[4]

Utukok River
Location of the mouth of the Utukok River in Alaska
Location
Country	United States
State	Alaska
Borough	North Slope
Physical characteristics
Source	Confluence of Kogruk and Tupik creeks
• location	De Long Mountains, Brooks Range, National Petroleum Reserve–Alaska
• coordinates	68°33′26″N 161°06′20″W
• elevation	2,075 ft (632 m)[1]
Mouth	Kasegaluk Lagoon, Chukchi Sea, Arctic Ocean
• location	20 miles (32 km) southwest of Icy Cape
• coordinates	70°02′49″N 162°27′26″W[2]
• elevation	0 ft (0 m)[2]
Length	225 mi (362 km)[3]

Utoqaq, meaning old or ancient, is the Inuit name for Icy Cape.[2] Variant names used for the river in the 19th century included "Utukak" and "Ootokok".[2]