Utukok River

The Utukok River (Iñupiaq: Utuqqaq) 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
Native name	Utuqqaq (Inupiaq)
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]

Utuqqaq, 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]