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.
📷 Stephen Eginoire
Minerals 2 - Dave Bunnell - A passage littered with fallen crusts in a newly discovered lava tube in Hawaii
Since the 90's, The Virtual Cave has provided a definitive visual reference for all things found in caves. Cave formations, also known as speleothems, can take many forms besides the familiar stalagmites and stalactites. See the amazing variety and learn the science behind how speleothems take shape.
Huatla 📷 Steve Eginoire
Come caving with us!
Our 250 local chapters - known as Grottos - provide the perfect opportunity to start caving. Find your Grotto and start caving.
Upcoming events
Sorry, we couldn't find any posts. Please try a different search.
