Some fun facts about Ape Cave, the 2nd longest cave in Washington State.
- 2.5 miles long (13,042 feet)
- 2nd longest cave in Washington state after Deadhorse Cave (2.7 miles)
- 3rd longest lave tube in 48 states after Deadhorse (Washington), and Gypsum (Idaho)
- 598 feet “deep” (vertical relief) (Newton Cave is 510 feet deep or more)
