• Waiting for supper to cook in the Valley of Ten Thousand Smokes in 1917.

    Katmai

    National Park & Preserve Alaska

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  • Instructions for making Brooks Camp Campground Reservation (Jan. 9, 2014)

    The reservation period for the Brooks Camp Campground did open as advertised at 8 AM Alaska Time on January 5. However, some people did find the reservation process confusing. More »

Environmental Factors

Mageik Volcano from the Griggs Visitor Center
Mount Mageik is one of many active volcanoes within Katmai's boundaries. Volcanoes continue to shape the Katmai's landscape, ecology, and history.
NPS/M. Fitz

Geology: Katmai is a volcanic park, an Ice Age park, and a Jurassic park.
Physiography: Katmai is encompasses two distinct physiographical provinces.
Water: Katmai contains hundreds of miles of rivers and streams and hundreds of thousands of acres of lakes.
Weather and Climate: A subarctic climate and variable weather influences every living thing in Katmai .
Wilderness: Most of the park is officially designated as wilderness by the U.S. Congress.

Did You Know?

Sockeye Salmon below Margot Creek Falls

Salmon, especially sockeye salmon, drive Katmai's ecosystem. Almost every living thing here is connected to the salmon including mammals, fish, insects, birds, and vegetation. Salmon are the keystone species of this ecosystem.