- Brightly colored basalt on the crater rim at the summit of South Sister in the Three Sisters Wilderness.

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- Brightly colored basalt on the crater rim at the summit of South Sister in the Three Sisters Wilderness area of Deschutes National Forest.

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Size: 5634px × 3732px
Location: Summit, South Sister, Oregon USA
Photo credit: © Spring Images / Alamy / Afripics
License: Licensed
Model Released: No

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