Natural Features & Ecosystems

Aerial view of the Yukon River

NPS Photo by Josh Spice

Calico Bluff
600 million years of geologic history. Dig in.
Permafrost exposed in a cutbank on the Yukon River

Permanently frozen ground that shapes the environment.

Contact the Park

Mailing Address:

P.O. Box 167
Eagle, AK 99738


(907) 547-2233
This is a summer seasonal phone that will be answered from June 1 - September 30. From October 1 to May 31, please contact the Alaska Public Lands Information Center in Fairbanks, Alaska at (907) 459-3730.

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