Boulder Cave

Explore a unique million year old lava tube cave on an easy hike with easy access from SR 410, the highway over Chinook Pass. It's two miles round trip and 300 feet of elevation gain.

driving directions

Take Forest Road 1704, "Old River Road," off of SR 410.  Drive to the Boulder Cave Picnic Area. Forest Road 1704 parallels SR 410 along the Naches River.

on the trail

Hike the trail to Bolder Cave (No. 962) one mile along Devil's Creek to Boulder Cave, a fascinating lava tube formed over a million years ago. It's two miles round trip and 300 feet of elevation gain.

  • Suitable Activities: Day Hiking
  • Seasons: April, May, June, July, August, September, October
  • Weather: View weather forecast.
  • Difficulty: Easy
  • Length: 2.0 mi
  • Elevation Gain: 300 ft
  • 2,700 ft
Map
  • Green Trails Old Scab Mtn No. 272
Activities

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