Aniakchak National Monument & Preserve

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Aniakchak National Monument & Preserve

The Aniakchak Caldera, is the result of a series of eruptions, the latest in 1931. Nearly six miles in diameter and covering some ten square miles, it is one of the finest examples of dry caldera in the world. Located in the volcanically active Aleutian Mountains, the crater contains many outstanding examples of volcanic features, including lava flows, cinder cones, and explosion pits. Surprise Lake, located within the caldera, is the source of the Aniakchak River, which cascades through a 1,500-foot gash in the caldera wall. The site also contains the Aniakchak Wild River.

IN DEPTH

Natural World Animals Animals The Aniakchak region is prime habitat for land mammals, waterfowl, marine mammals, fish and shell-fish, and extensive wild runs of five salmon species of Pacific Salmon. Aniakchak includes nursery...read more

Geology Natural Features & Ecosystems Natural Features & Ecosystems Aniakchak Caldera is a raw and rugged volcanic feature laying in a landscape that is, because of its remoteness, little affected by human...read more

Sights to See Nearby Attractions Nearby Attractions King Salmon Visitor Center Located just next door to the King Salmon Airport, the King Salmon Visitor Center is open during the summer season from 8:00 a.m. until...read more

History History & Culture History Aniakchak National Monument and Preserve was established to recognize the unique geological significance of the Aniakchak caldera. Scientists soon discovered, though, that the area has a rich...read more

Things To Do Things To Do Things to Do Aniakchak National Monument and Preserve encompasses 586,000 acres of pristine Alaska wilderness. While rafting the Aniakchak River, hiking the caldera floor, and sport fishing are among the...read more

Planning Your Visit Management Management Created in 1916, the National Park Service manages over 385 different units and each unit preserves a unique story related to natural and cultural resources that have shaped our...read more

In A Nutshell Frequently Asked Questions     Frequently Asked Questions How do I get to Aniakchak? Aniakchak is inaccessible by road and must be either flown or boated to. Aniakchak may be directly accessed via air taxi flights...read more

At A Glance Contact Us Write to Aniakchak National Monument & Preserve #1 King Salmon Mall P.O. Box 245 King Salmon, AK 99613 Phone Visitor Information (907) 246-3305 Fax (907)...read more

Park Regulations & Safety Permits Permits Permits are not required for public access to or overnight stays within Aniakchak National Monument and Preserve. Please be aware, however, that Aniakchak contains numerous parcels of privately-owned land....read more

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