Ape Caves & Trail of Two Forests

A relatively short drive from Portland up highway 503 past Cougar, lies a series of lava tubes on the south side of Mt.Saint Helens. Ape Cave Lava Tube is a popular attraction in the Mount St. Helens National Monument and the longest lava tube in the continental United States at over two miles in length. The Hike: The Ape cave is divided [...]