Sourdough Gap

Sourdough Gap is an easy, 7 mile in-and-out day hike with 1,000 ft in elevation gain beginning at Chinook Pass near Mount Rainier. This trail connects with the Crystal Lakes trail and the two can be combined for a glorious alpine lake outing with a car shuttle.

on The Trail

You begin at Chinook Pass and follow the Pacific Crest Trail for a 1.2 miles until you reach Sheep Lake. Continue passing through forests and meadows for another 1.2 miles to reach the gap and fabulous views of Mount Rainier. 

extend your trip

If you feel like exploring further consider hiking down the Crystal Lakes trail. If your group has two cars consider leaving one car at the Crystal Lakes trailhead and the other at Chinook Pass. 

  • Suitable Activities: Day Hiking
  • Seasons: July, August, September, October
  • Weather: View weather forecast.
  • Difficulty: Easy
  • Length: 7.0 mi
  • Elevation Gain: 1,000 ft
  • 6,400 ft
Map
  • Green Trails Bumping Lake No. 271
  • Green Trails Mt Rainier East No. 270
Activities

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