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We know you want to research the best Washington caves for your next Washington vacation, but we went ahead and made a little list to get your started. These suggestions might make planning your Pacific Northwest vacation a little easier.
Ape Cave:
An enormous lave tube that was formed by a lava flow from Mount St. Helens about 1,900 years ago.
Gardner Cave:
The 3rd longest karst cave in the state and the only one accessible to the public.
The Blue Lake Rhino Cave:
A genuine basalt flow cast of a mature Diceratherium bull from the Miocene.
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