Crystal Cave in Sequoia National Park is set to reopen this summer after a four-year closure due to environmental challenges, including the 2021 KNP Complex fire and severe winter storms. Guided tours, lasting about 50 minutes, will allow visitors to explore its stunning mineral formations and unique geology. The hike to the cave is described as strenuous and could involve hazardous encounters. The cave has been a significant tourist attraction since the 1940s and features 3 miles of passageways and underground streams, with its last room known as Marble Hall.
The Crystal Cave in Sequoia National Park reopens this summer after a four-year closure, offering guided tours of its unique mineral formations and geology.
Rangers describe the hike to the cave as strenuous, highlighting risks including poison oak, rattlesnakes, and steep stairs—all challenges not suitable for young children.
Executive Director Savannah Boiano noted that the cave's closure stemmed from environmental disasters, including tree deaths during a drought and damage from storms.
The cave, one of California’s most visited subterranean landmarks, features over 3 miles of passageways and unique marble walls that contrast with the granite of the Sierra Nevada.
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