Moaning Cavern Caving Adventure (San Francisco)
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Moaning Cavern is home to the largest vertical chamber open to the public in California. A massive space so vast it could hold the Statue of Liberty!Energetic cave explorers can begin this exciting expedition with a 165-foot rope rappel into the darkness of the cavern below.Most areas are undeveloped, so there are no lights, stairs, or walkways. Instead, you will daringly explore chasms,...