Ivishak River - Misplaced Pages

River in Alaska, United States

Ivishak River
Upper Ivishak River Valley
Location of the mouth of the Ivishak River in Alaska
Location
Country	United States
State	Alaska
Borough	North Slope
Physical characteristics

Source	Philip Smith Mountains
• location	Brooks Range
• coordinates	68°34′25″N 147°16′43″W / 68.57361°N 147.27861°W / 68.57361; -147.27861
• elevation	5,258 ft (1,603 m)

Mouth	Sagavanirktok River
• location	55 miles (89 km) south of Prudhoe Bay
• coordinates	69°29′55″N 148°30′22″W / 69.49861°N 148.50611°W / 69.49861; -148.50611
• elevation	538 ft (164 m)
Length	95 mi (153 km)

National Wild and Scenic River
Type	Wild
Designated	December 2, 1980

The Ivishak River /ˈiːviːʃɑːk/ is a 95-mile (153 km) tributary of the Sagavanirktok River in the North Slope Borough of the U.S. state of Alaska. Fed by glaciers at the headwaters, the Ivishak flows northeast, then northwest, through the Philip Smith Mountains and the northern foothills of the Arctic National Wildlife Refuge. It enters the Sagavanirktok River on the coastal plain south of Prudhoe Bay.

On December 2, 1980, 80 miles (129 km) of the Ivishak was designated a National Wild and Scenic River. The protected segments, including the headwaters, an unnamed tributary from Porcupine Lake, and all but the lowermost part of the main stem, lie within the wildlife refuge.

References

^ "Ivishak River". Geographic Names Information System. United States Geological Survey. January 1, 2000. Retrieved September 3, 2013.
Source elevation derived from Google Earth search using GNIS source coordinates.
^ "Ivishak River, Alaska". National Wild and Scenic Rivers System. Retrieved September 3, 2013.

Protected areas of Alaska

Federal

National Parks	Denali Gates of the Arctic Glacier Bay Katmai Kenai Fjords Kobuk Valley Lake Clark Wrangell–St. Elias
National Historical Parks	Klondike Gold Rush (Chilkoot Trail) Sitka
National Monuments	Admiralty Island (USFS) Aleutian Islands World War II (FWS) Aniakchak Cape Krusenstern Misty Fjords (USFS)
National Preserves	Bering Land Bridge Noatak Yukon–Charley Rivers
National Wildlife Refuges	Alaska Maritime Alaska Peninsula Arctic Becharof Innoko Izembek Kanuti Kenai Kodiak Koyukuk Nowitna Selawik Tetlin Togiak Yukon Delta Yukon Flats
National Forests	Chugach Tongass
Forest Service units	Mendenhall Glacier
Wilderness Areas	Aleutian Islands Andreafsky Becharof Bering Sea Bogoslof Chamisso Chuck River Coronation Island Denali Endicott River Forrester Island Gates of the Arctic Glacier Bay Hazy Islands Innoko Izembek Karta River Katmai Kenai Kobuk Valley Kootznoowoo Koyukuk Kuiu Lake Clark Maurille Islands Misty Fjords Mollie Beattie Noatak Nunivak Petersburg Creek–Duncan Salt Chuck Pleasant/Lemesurier/Inian Islands Russell Fiord Saint Lazaria Selawik Semidi Simeonof South Baranof South Etolin South Prince of Wales Stikine-LeConte Tebenkof Bay Togiak Tracy Arm-Fords Terror Tuxedni Unimak Warren Island West Chichagof-Yakobi Wrangell–Saint Elias
Wild and Scenic Rivers	Alagnak Alatna Andreafsky Aniakchak Beaver Creek Birch Creek Charley Chilikadrotna Delta Fortymile Gulkana Ivishak John Kobuk North Fork Koyukuk Mulchatna Noatak Nowitna Salmon Selawik Sheenjek Tinayguk Tlikakila Unalakleet Wind
National Conservation Area	Steese

State

State Parks	Afognak Island Chilkat Chugach Denali Kachemak Bay Point Bridget Shuyak Island Wood-Tikchik
State Forests	Haines Southeast Tanana Valley

Alaska Department of Natural Resources

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References