Gem Cave
Gem Cave was acquired by the Black Hills Cave and Nature Conservancy in 2025. This cave is now the frontier of exploration in the Black Hills, with several exciting recent discoveries!
Dahm Springs Preserve
The BHCNC completed its first land acquisition in 2020. The Dahm Springs Preserve was expanded in 2025 and now protects 66 acres with 13 caves!
Brooks Cave
Brooks Cave was discovered by Jim Brooks and John Dyer who, over a period of weeks in 1954, blasted twice in the entrance crawl to break through..
Dahm Spring Cave
This is by far the ‘jewel box’ of recently discovered caves. It was originally found by unknown persons….
Brooks Jr. Cave
The 3rd longest cave in the preserve. Originally surveyed by Mike Hanson, and later resurvey and….
Have a project in mind or just want to visit the Dahm Springs Preserve?
Whether it’s a trip to look around, a proposal to explore the caves in new ways, or even if you want to ask to scuba dive the lakes, the first steps are to read the PRESERVE ACCESS POLICY and then apply for a permit here: https://permits.saveyourcaves.org/.
Please contact us first if you have any questions or are a first-time visitor to the Preserve. You can use the form below or by email us at bhcnc@caves.org.