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Highlights
- Isanotski Peaks or Isanotski Volcano, known locally as "Ragged Jack", is a multipeaked mountain on Unimak Island, the easternmost Aleutian Island in Alaska, United States.
- It is an old, highly dissected stratovolcano, lying about 10 miles east of Shishaldin Volcano, the highest peak in the Aleutian Islands.
- In contrast to many of the younger, symmetrical volcanoes of the region, Isanotski is topped by multiple rugged pinnacles. This makes climbing or skiing the peak much more challenging than Shishaldin.