• The Slaven's beach on the Yukon River

    Yukon - Charley Rivers

    National Preserve Alaska

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  • Lost Creek Wolf Pack Eliminated

    NPS wildlife biologists lost the ability to research radio-collared wolves from the Lost Creek pack, which has historically used Yukon-Charley Rivers. The Alaska Dept of Fish and Game eliminated all 11 members of the pack outside of the preserve last week More »


Peregrine Falcons

Peregrine falcons nest on the bluffs along the Yukon & Charley Rivers. Populations have rebounded from the effects of DDT and now available space along the bluffs is potentially the limiting factor.



Wolves in Yukon-Charley Rivers are a species of concern, as they are a sign of ecosystem health. Their population is monitored each winter by aerial surveys and radio-collared individual wolves.


Species & Distribution, Passerines, & Ptarmigan



Arctic Ground Squirrel, Brown Bear, Dall's Sheep, Moose, & Snowshoe Hare

Did You Know?

Ice breakup on the Yukon River

The Yukon River freezes to an average depth of 52" in interior Alaska. Freeze-up generally occurs in mid-November and break-up is usually in mid-May.