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The Granite Peaks of Washington Pass

Towering walls of granite stand sentinel over Highway 20 at Washington Pass deep in the North Cascades. The surrounding peaks are made of two distinct types of granite that formed far away from each other before dramatically colliding in the Northwest.

English
  • Originally Aired January 23, 2025
  • Runtime 7 minutes
  • Created April 25, 2025 by
    nitewatcher
  • Modified April 25, 2025 by
    nitewatcher