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Underground Adventures

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Immerse yourself in a stunning underground world.

Regional caverns featuring spectacular crystalline formations along winding passageways. Go for the walking tour or gain a different perspective by rappelling 165 feet into a cavern.

209-736-2708 View Website Map
California's first show cave! Offering 60-80 minute Trail of Lights family walking tour, the 2-hour Mammoth Cave Expedition & the 4-hour Middle Earth Expedition. Open spring through fall. School program and Corporate Team Building available.
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9565 Cave City Rd.
Mountain Ranch, CA 95246
209-728-2101 View Website Map
Discovered in 1885. One of the crown jewels of the Gold Country. World renowned for rare aragonite flos ferri. 45 min. guided tour takes you into a wondrous world of beautiful and delicate cave formations. Open daily.
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1665 Sheep Ranch Rd.
Murphy's, CA 95247
209-736-2708 View Website Map
California's largest underground room with the historic 100' spiral staircase. Enjoy a 45-minute Family Walking Tour or a 3-hour Wild Cavern Adventure Trip. Experience twin zip line rides. School program and corporate team building available. Open daily year-round.
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5350 Moaning Caverns Rd
Vallecito, CA 95251