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Anaktuvuk River
The Anaktuvuk River winds through the sweeping tundra hills of Alaska's North Slope region.
Location of the mouth of the Anaktuvuk River in Alaska
Location
Country	United States
State	Alaska
Borough	North Slope
Physical characteristics
Source	Fan Mountain glacier
• coordinates	68°08′48″N 150°58′31″W / 68.14667°N 150.97528°W / 68.14667; -150.97528
• elevation	6,019 ft (1,835 m)
Mouth
• location	Colville River near Umiat
• coordinates	69°30′47″N 151°26′39″W / 69.51306°N 151.44417°W / 69.51306; -151.44417
• elevation	153 ft (47 m)
Length	135 mi (217 km)

The Anaktuvuk River is a river in Alaska's North Slope. One hundred and thirty-five miles (217 km) long, it flows west from glaciers in the Endicott Mountains changing direction just north of Anaktuvuk Pass to flow north to the Arctic Coastal Plain where it joins the Colville River. Its headwaters are formed by runoff from various glaciers in the Gates of the Arctic Wilderness on the slopes of Fan Mountain, Alapah Mountain and Limestack Mountain, the last of which lies on the watershed divide between the Arctic Coastal Plain and the Koyukuk River, and feeds the Anaktuvuk River via Graylime Creek. Its first major tributary is the John River which joins it at 68°12′14″N 151°36′50″W / 68.20389°N 151.61389°W / 68.20389; -151.61389. The Nanushuk River joins it at 69°18′11″N 150°59′58″W / 69.30306°N 150.99944°W / 69.30306; -150.99944.

"The first geologic transect of the Arctic Slope was conducted during the summer of 1901 by USGS geologist F.C. Schrader and topographer W.J. Peters, who descended the Anaktuvuk River in canoes to its junction with the Colville River." In 1938, Robert "Bob" Marshall explored the sources of the river.

Human use

Though the vast majority of the river is often inaccessible to motorized boats due to very low water levels, portions of the river provide excellent fishing ground for Arctic char and "monster grayling". Hunters may fly into the Anaktuvuk River drainage in summer to hunt moose, bears, caribou, and other animals. In August 2013, a hunter was severely mauled by a grizzly bear while hunting in the Anaktuvuk River drainage. Because of its low and fluctuating water levels, extreme remoteness, lack of airports, and challenging weather conditions, the Anaktuvuk River is only very rarely run by recreational boaters.

Wildlife

Because of its extremely remote location, the Anaktuvuk River remains in an almost completely unaltered wilderness state. Shrub forests areas along the middle and lower Anaktuvuk River provide some of the little moose habitat on the largely treeless North Slope region. The Anaktuvuk River drainage is also home to grizzly bears, caribou, wolves, and many small mammals. Migrating birds such as yellow-billed loons and Canada goose raise their young along the river.

See also

• List of rivers of Alaska

References

1. ^ Porter, Stephen C. (1966) Pleistocene geology of Anaktuvuk Pass, Central Brooks Range, Alaska (Arctic Institute of North America Technical Paper #18) Arctic Institute of North America, Washington D.C., page 12, OCLC 17327
2. USGS Geographic Names Information System (GNIS). Anaktuvuk River. Accessed Dec 31, 2012.
3. Mull, Charles G. et al. (2004) "Geologic Map of the Umiat Quadrangle, Alaska" Scientific Investigations U.S. Department of the Interior Map 2817–A, United States Geological Survey
4. Schrader, Frank Charles; Peters, W.J. "A Reconnaissance In Northern Alaska, Across The Rocky Mountains, Along Koyukuk, John, Anaktuvuk, And Colville Rivers, And The Arctic Coast To Cape Lisburne, in 1901" (PDF). USGS. Retrieved 3 May 2020.
5. Marshall, Robert (1956). Marshall, George (ed.). Arctic Wilderness. Berkeley: University of California Press. pp. 110–128.
6. Haugen, Scott. "Flyfisher's Guide to Alaska", pg. 436
7. Alaska Department of Fish and Game, DM 981 Moose Drawing Permit Hunt, http://www.adfg.alaska.gov/static/hunting/maps/huntmaps/pdf/dm981.pdf
8. Stapleton, AnneClaire. CNN.com, "Alaska hunter mauled by bear survives 36 hours in wilderness." http://www.cnn.com/2013/08/18/us/alaska-bear-mauling/index.html

• Rivers of North Slope Borough, Alaska
• Rivers of Alaska