Boulder Cave

  • best caves in Washington State | Boulder Cave

Spelunkers should turn onto a road marked “Boulder Cave National Recreation Trail” (a popular birding trail). A bridge over the Naches River leads to a mile-long walk to Boulder Cave, a 400-foot-deep cave where a dwindling population of Townsend’s big-eared bats hibernates during the winter (the cave is closed to the public at that time).

Take one of the offered tours or be your own guide, but bring flashlights (with plenty of extra batteries) and something warm to wear. It’s about 50 degrees in the cave, even on a hot summer day.



Phone: (509) 664-9200

Address: Old River Rd, Naches, Wa 97937

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