


Ape Caves Adventure
Come explore the longest lava tube in the United States
Come explore the longest lava tube in the United States
The Ape Caves are the longest continuous lava tube in the western hemisphere. The Cave features a 1.4 mile upper section that is well-suited for the adventurous type. The upper portion of the cave takes about 2½ hours to complete, returning on a surface trail. Cavers will climb over approximately 27 boulder piles and scale an 8-foot (2.5m) high lava fall.When: 05/16/09Where: Mt St Helens |
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The Ape Caves are the longest continuous lava tube in the western hemisphere. The Cave features a 1.4 mile upper section that is well-suited for the adventurous type. The upper portion of the cave takes about 2½ hours to complete, returning on a surface trail. Cavers will climb over approximately 27 boulder piles and scale an 8-foot (2.5m) high lava fall.When: 05/16/09


















