Studying, exploring, and protecting caves

Since 1941 the NSS has been at the forefront of cave science, conservation, and exploration. Join our 8,000+ member community and come caving.

Eginoire_VoidsExpedition2020_67
📷 Stephen Eginoire
Mexican River 📷 Kasia Biernacka
Mexican River 📷 Kasia Biernacka

Like no place on earth

Caves are one of the last untouched, unexplored parts of our world. See why they matter

Latest news

Upcoming events

1/22/23 Special Board of Governors’ Meeting

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Speleofest 2023

Bonnieville, KY/
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2023 NSS Convention

Elkins, WV/
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