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
Huatla-e1667754510374

Coming 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

More News
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NSS Opens Search for Its Next Executive Director

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2026 NSS Director Candidates’ Statements

Charlie Roberson & Andy Pitkin diving

Help Protect Mill Creek Sink Nature Preserve!

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2025 Earth Science Week | NSS-AGI Partnership

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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

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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

Upcoming events

Oct
17

Fall Board of Governors Meeting

Boise, ID/
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Oct
23

Orientation to Cave Rescue (OCR)

Rogersville, TN/
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Oct
29

VTC Level 1 Course | 2026-10-29 | Payson, Arizona

Payson, AZ/
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Oct
30

VTC Level 1 Course | 2026-10-30 | Grants, New Mexico

Grants, NM/
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Nov
6

VTC Level 1 Course | 2026-11-06 | Olive Hill, Kentucky

Olive Hill, KY/
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Jan
17

Hawaii Cave Week

HI/ Hawaii Grotto
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