California Cavern

Historic cavern with stunning formations, underground lakes, and boat rides deep beneath the foothills.

San Andreas, Calaveras County (209) 736-2708

California Cavern near San Andreas is one of the Sierra foothills’ most spectacular underground experiences. Discovered during the Gold Rush, the cavern features stunning limestone formations — crystalline stalactites, flowstone curtains, and rare helictites. The highlight is an underground lake where visitors can take a boat ride through illuminated cavern passages. Multiple tour options range from easy walking tours to adventurous crawl-through expeditions, making it ideal for visitors of all ages and abilities.

Activities & Experiences

Walking Tour

Easy guided tour through illuminated cavern chambers with stunning formations.

Daily, seasonal hours $16 adults · $9 children

Underground Lake Boat Ride

Glide across a pristine underground lake in the heart of the cavern.

Included in select tours Included with walking tour

Wild Cave Expedition

Hands-and-knees adventure through undeveloped passages — for the bold explorer.

By reservation $130 per person
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Nearby Dining

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