National Speleological Society
| Abbreviation | NSS |
|---|---|
| Formation | Bill Stephenson, January 1, 1941 |
| Purpose | Dedicated to the scientific study of caves and karst; protecting caves and their natural contents through conservation, ownership, stewardship, and public education; and promoting responsible cave exploration and fellowship among those interested in caves. |
| Location | |
Area served | 210 Grottos 12 Geographical Regions 15 Specialty Sections 11 Cave Surveys |
| Membership | 10,000 |
President | Kristine Ebrey |
Main organ | Board of Governors |
| Affiliations | American Association for the Advancement of Science, International Union of Speleology |
| Website | caves.org |
The National Speleological Society (NSS) is an organization formed in 1941 to advance the exploration, conservation, study, and understanding of caves in the United States. Originally headquartered in Washington D.C., its current offices are in Huntsville, Alabama. The organization engages in the research and scientific study, restoration, exploration, and protection of caves. It has more than 10,000 members in more than 250 grottos.
Since 1974 there has been a cave diving section of the society.