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San Jose cave adventure
  • San Jose cave adventure
  • Beautiful Sights in Mammoth Caves
  • Mammoth Cave Exploring
  • Kids Enjoying Mammoth Caves

Mammoth Cave Adventure

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Vallecito, CA
Daily during the dry season, typically May - December.
  • Explore the historic Mammoth Cave, the first show cave in the state of California, as you crawl, wiggle and squirm through natural passages connecting 8 chambers.
    • Perfect for adventurers looking for more than just a "walk" through the cave
    • Complete with a hardhat with light, gloves and knee & elbow pads
    • All tight crawlways and squeezes are optional
    • Follow in the footsteps of visitors like Mark Twain and John Muir as you explore these underground wonders
    • Unforgettable experience for families, kids & adults looking for adventure!
    Full Description>
  • In 1849, Captain Joseph Taylor was target practicing on a rocky outcropping and noticed that his targets were being moved by a breeze which seemed to emanate from the rocks. When the Captain investigated this curious phenomenon, he discovered the entrance to a cave which he named Mammoth Cave.

    Shortly later, this amazing natural phenomenon was opened to the public for tours, making it the first show cave in California.

    For over 150 years, visitors have enjoyed the unique and delicate beauty of the cavern's crystalline formations.

    On this adventure, you'll suit up with knee & elbow pads, gloves and a hardhat with lights to explore the historic "Mammoth Cave" area and the "Jungle Room". You'll walk, crawl, wiggle and squirm through natural passages connecting 8 spectacular chambers.

    Prepare for an underground adventure you'll never forget!
    Key Info>
  • Essential Information

    • Participants must be at least 10 years old
    • Participants under 18 must be accompanied by an adult
    • All tight crawlways and squeezes are optional
    • Cave temperature is typically 55 degrees year-round


    2 - 3 hours

    Maximum Participants

    9 per tour


    This experience is only for those participating.

    Weather Dependent

    This experience is weather dependent. Always contact the Experience provider with any questions regarding weather conditions.

    What To Wear

    You will be provided all necessary caving equipment, including gloves, helmet with light, and elbow & knee pads. Wear sturdy shoes that have traction soles and a long sleeve shirt, rugged, loose fitting pants and avoid clothes that absorb water.

    Booking Information

    For this experience, it is recommended to request bookings at least 7 days in advance.

    Cancellation Policy

    Prior to scheduling/booking a date for this experience, Cloud 9's standard return and exchange policy shall apply. Once you have received a booking confirmation, you may reschedule your experience up to 14 days prior to the Experience. Failure to appear on your booked date or to reschedule at least 14 days prior to your booked date will result in the loss of the value of your Experience.

    Experience ID


    1. What time of year is this experience available?
      This experience is only available during the dry season, to ensure there is not excessive water in the cave. Although the dry season ranges, the Mammoth Cave is typically open April through December.
    2. Is there a minimum age?
      Participants must be at least 10 years of age. Minors must be accompanied by an adult.