• Aerial view of Aniakchak Caldera taken from northern rim

    Aniakchak

    National Monument & Preserve Alaska

Contact Us

Write to
Aniakchak National Monument & Preserve
#1 King Salmon Mall
P.O. Box 245
King Salmon, AK 99613

E-mail Us

Phone
Visitor Information
(907) 246-3305

Fax
(907) 246-2116

Did You Know?

Did You Know?

The outlet of the Aniakchak River, referred to as "The Gates," was formed when water within the caldera breached the rim and carved through the wall. Terrace deposits above the current water level of Surprise Lake indicate that the lake once filled 50 percent more of the caldera.