United States California Volcano
Black Chasm Cavern National Natural Landmark
- 15701 Pioneer Volcano Road
- (888) 488-1960
- http://cavetouring.com/
Tips from the community
"With Beautiful formations including rare helictite crystals, soda straws and flowstones as well as the more common but still impressive stalactites and stalagmites. The cavern was part of the back drop scenery for the matrix underground city “zion.”
michele 2 years ago
Black Chasm Cavern National Natural Landmark Lists
Amazing Caves in Northern California
michele (Michele Humeston) The Mother Lode area has some of California’s largest cavern systems. Professional tours of these natural wonders are fun, easy to access and educational for the entire family.