Tinayguk River

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Tinayguk River
Relief map of USA Alaska.png
Red pog.svg
Location of the mouth of the Tinayguk River in Alaska
Country United States
State Alaska
Census Area YukonKoyukuk
Physical characteristics
Source Brooks Range
  location Endicott Mountains
  coordinates 67°57′04″N151°00′34″W / 67.95111°N 151.00944°W / 67.95111; -151.00944 [1]
  elevation4,619 ft (1,408 m) [2]
Mouth North Fork Koyukuk River [3]
27 miles (43 km) northwest of Wiseman
67°34′08″N151°02′30″W / 67.56889°N 151.04167°W / 67.56889; -151.04167 Coordinates: 67°34′08″N151°02′30″W / 67.56889°N 151.04167°W / 67.56889; -151.04167 [1]
1,161 ft (354 m) [1]
Length44 mi (71 km) [3]
DesignatedDecember 2, 1980

The Tinayguk River is a 44-mile (71 km) tributary of the North Fork Koyukuk River in the U.S. state of Alaska. [3] Heading in the Endicott Mountains of the Brooks Range, the river flows generally west then south to meet the larger river about 80 miles (130 km) north of Bettles. [4]


In 1980, the entire river was designated "wild" and added to the National Wild and Scenic Rivers System. [5] The designation means that the Tinayguk is unpolluted, free-flowing and generally inaccessible except by trail and that its watershed is essentially primitive. [6]

The river's name means Moose in Inupiat. [4] In 1930, forester Robert "Bob" Marshall recommended it as an alternative to West Fork, a local name that Marshall considered over-used. [3]


Although whitewater enthusiasts sometimes run the river in small rafts or inflatable canoes or kayaks, it is remote, hazardous, and difficult to reach. It is a small one-channel river that drops 80 feet per mile (15 m/km) over its first 12 miles (19 km) and an average of 25 feet per mile (4.7 m/km) over the rest of its course. The upper reaches are rated Class III (difficult) on the International Scale of River Difficulty, while the rest of the river varies between Class II (medium) and Class III. Hazards include swift current, shallow water, sharp bends, logjams, boulders, and aufeis. [4]

See also

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  1. 1 2 3 "Tinayguk River". Geographic Names Information System. United States Geological Survey. January 1, 2000. Retrieved September 12, 2013.
  2. Derived by entering source coordinates in Google Earth.
  3. 1 2 3 4 Orth, Donald J.; United States Geological Survey (1971) [1967]. Dictionary of Alaska Place Names: Geological Survey Professional Paper 567 (PDF). University of Alaska Fairbanks. United States Government Printing Office. p. 968. Archived from the original (PDF) on October 17, 2013. Retrieved October 9, 2013.
  4. 1 2 3 Jettmar, Karen (2008) [1993]. The Alaska River Guide: Canoeing, Kayaking, and Rafting in the Last Frontier (3rd ed.). Birmingham, Alabama: Menasha Ridge Press. pp. 138–39. ISBN   978-0-89732-957-6.
  5. "Tinayguk River, Alaska". National Wild and Scenic Rivers System. Retrieved October 18, 2013.
  6. "About the WSR Act". National Wild and Scenic Rivers System. Retrieved October 18, 2013.