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.

ABOUT THE NSS
Lechuguilla Expedition Frost - Stephen Eginoire
📷 Stephen Eginoire
Huatla 📷 Steve Eginoire
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.

Latest news

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Screenshot 2024-12-30 at 2.34.11 PM

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

Guads Peak Sunset - Peter Jones

Execution of Master Participating Agreement between USDA Forest Service andthe National Speleological Society

NSS-Logo-background

May 2024 President’s Column: NSS Restructuring

Vertical Tower Graphic - Andrés Salazar

Help Us Build a Vertical Tower!

Crystal tip Stal - Peter Jones

Congratulations to our 2024 NSS Directors!

The 1000th Repair 📷 Devra Heyer

Carlsbad Caverns Queens Chamber CFRPs 1000th Repair

Northern_Cavefish_Cave_Animal_of_Year

Meet the Northern Cavefish: 2024 USA Cave Animal of the Year

Sewanee_Arch

2024 NSS Convention Overview

Out of the Cave 📷 Kasia Biernacka

2024 NSS Board of Governors Candidate Statements

Upcoming events

Feb
10

NSS Board of Governors’ Meeting

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Feb
21

Florida Cave Crawl 2025 – 40th Anniversary

Marianna, FL/ Flint River Grotto
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Mar
1

NSS Board of Governors’ Meeting 3/1/25

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May
2

SERA Cave Carnival 2025

Jamestown, TN/ East Tennessee Grotto
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May
9

Spring VAR 2025

Circleville, WV/
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May
23

Speleofest 2025 (Ye Olde Speleofair)

Bonnieville, KY/ Louisville Grotto
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