Pavlof Sister

Pavlof Sister is a stratovolcano in the Aleutian Range that displays a classic symmetrical cone shape. The peak reaches approximately 2,140 meters and stands out distinctly against the surrounding mountain landscape.

The volcano was officially mapped and named by the United States Geological Survey in 1929. Scientists recorded the last activity between 1762 and 1786, though they view these historical records with considerable skepticism.

The Alaska Peninsula region near the volcano contains territories where Aleut communities maintained their traditions for generations.

The site is accessible only by boat or aircraft and lies far from any settlement. Visitors should expect extreme weather, challenging terrain, and the need for professional guidance.

The last reported volcanic activity occurred between 1762 and 1786, though scientists consider this historical data questionable.

Website: https://avo.alaska.edu/volcanoes/volcinfo.php?volcname=Pavlof%20Sister

GPS coordinates: 55.45718,-161.85401

Latest update: December 14, 2025 09:44