The Ape Cave hike is about 2 and a half miles long and is considered one of the longest lava tube caves in North America – which was formed by an eruption on Mount St. Helens about 2000 years ago.
The Ape Cave hike is about 2 and a half miles long and is considered one of the longest lava tube caves in North America – which was formed by an eruption on Mount St. Helens about 2000 years ago.
The Ape Cave hike is about 2 and a half miles long and is considered one of the longest lava tube caves in North America – which was formed by an eruption on Mount St. Helens about 2000 years ago.
The Ape Cave hike is about 2 and a half miles long and is considered one of the longest lava tube caves in North America – which was formed by an eruption on Mount St. Helens about 2000 years ago.
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