Studying, exploring, and protecting caves

Since 1941 the NSS has been at the forefront of cave science, conservation, and exploration. Join our 8,500+ member community and come caving.

ABOUT THE NSS
Lechuguilla Expedition Frost - Stephen Eginoire
📷 Stephen Eginoire
Cephalopod Maltshop in Great Expectations Cave. 📷 Hazel Barton
Cephalopod Maltshop in Great Expectations Cave. 📷 Hazel Barton

Come Caving With Us!

Our 250 local chapters - known as Grottos - provide the perfect opportunity to start caving. Find your Grotto and start caving.

Latest news

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Inside the 2025 NSS Convention: Highlights from Cobleskill

Big Bend National Park, Chihuahuan Desert

Open Letter to Kristi Noem Regarding the Waiving of the 1988 Federal Cave Resources Protection Act

Cephalopod Maltshop in Great Expectations Cave. 📷 Hazel Barton

Proposed Senate Bill Threatens Thousands of Significant Caves

New Year's Lake in Jewel Cave National Monument, South Dakota. Discovered by Dan Austin and Chris Pelczarski on January 1, 2017 (NPS Photo)

Welcome to Cave Week 2025!

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A Historic First: The NSS Announces Its Inaugural Executive Director

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Meet the Cave Shrimp: 2025 USA Cave Animal of the Year

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Optimizing The Frog System For Rescue: Rescuers’ Perspectives

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2025 NSS Director Candidate’s Statements

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Upcoming NSS Webinar Series

A cave with a hole in the roof and a beautiful lake

NSS and US Forest Service Unite to Protect and Manage Cave and Karst Resources

Upcoming events

Sep
11

VTC Level 1 – Lone Star Preserve Bonnieville,KY

Bonnieville, KY/
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Sep
26

Western Regional 2025

CA/
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Oct
4

NSS fall BoG Meeting

Ely, NV/
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Oct
6

National Cave & Karst Management Symposium

Ely, NV/
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Oct
9

TAG Fall Cave-In

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Oct
17

Texas Hydro~Geo Workshop

Boerne, TX/
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