Explore Thunderbolt Cave, Lava Beds National Monument, California

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NOTE: Partially CLOSED - The section that connects to Lava Brook & Labyrinth Caves is Closed.  Thunderbolt Cave (2,561 ft / 781 m) One of the "Most Challenging Caves." Crawling is required in the downstream portions of this cave where it connects to Labyrinth and Lava Brook Caves. Upstream (right) from the entrance are a few tight areas, one of which is 6 in (15 cm) wide at knee level. There is some stooping before the ceiling height allows walking upright. Length: 2,561 feet. Distance from visitor center: Cave Loop.  Cave has stairs/steps.  Cave has a relatively "smooth" path.  Most people must duck-walk in some places.  Most people must duck-walk in some places.  The caves found here were created by flows of smooth lava 10,500 to 65,000 years ago. As the lava cooled, caves formed and created homes for unique cave life to thrive. These fantastic underground worlds can be visited on your own or by guided tour in the summer. Please “take only pictures, leave only footprints” so others have a chance to discover what you have during your trip.

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