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Mercer Caverns - http://www.mercercaverns.com/
Offers 45-minute guided tour. Includes photo gallery, history, maps, admission fees, discount coupon, hours, links and contact information. Located near Murphys. |
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Moaning Cavern - http://www.caverntours.com/MoCavRt.htm
Discover California's largest single vertical chamber in a public cavern. Describes family and adventure tours available, hours, other activities, prices, and map and directions to location near Vallecito. |
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Crystal Cave - http://www.sequoiahistory.org/cave/cave.htm
Features 45-minute guided tour and 4-6 hour wild cave trips. Includes hours and fees. Located in Sequoia National Park. |
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California Cavern - State Historic Landmark - http://www.caverntours.com/CalifRt.htm
First cave in the state to be opened to the public for guided tours. Includes descriptions of walking tours and expeditions available, lists other activities, prices, and a map and directions to location east of Mountain Ranch. |
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Black Chasm Cavern - http://www.caverntours.com/BlackRt.htm
Designated a National Natural Landmark in 1976, features a fifty-minute tour to view rare helictite formations. Includes hours, tour prices, map and direction to location in Volcano, California. |