Packrafting the Ivishak River in Alaska (with Map & Photos)

The Ivishak River is an approx. 150 km long tributary of the Sagavaninsk River on the North Slope of Alaska. It rises in Brook Range on the continental divide and flows first northeast, then northwest through Philip Smith Mountains, the northern foothills of the National Wildlife Refuge of the Arctic and finally the tundra of the coastal plain.

Ivishak River

The Ivishak flows about 100 km south of Prudhoe Bay into the Sagavanirkenok River, which empties into the Beaufort Sea. The 129 km long portion of the Ivishak River in the Arctic National Wildlife Refuge, along with the entire headwaters and an unnamed tributary of Porcupine Lake, were designated as a National Wild and Scenic River in 1980 by the Conservation Act. of Alaska National Interest Land.

Ivishak River Map