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 located in Washington D.C., its current offices are in Huntsville, Alabama. The organization engages in mapping, cleaning, scientific study, purchase and gating of caves.

The organization is divided regionally: Arizona Region(sometimes included in the Southwestern Region), Mid-Appalachian Region (MAR), Missippi Valley-Ozark Region (MVOR), Northeast Regional Organization (NRO), Northwest Regional Organization and the Northwest Caving Association, Ohio Valley Region, Rocky Mountain Region, Southeastern Regional Association, Southwestern Region, Texas Speleological Society, Virginia Region (VAR), and Western Region.

Within these regions are local level organization known as Grottos. These grottos carry out the local level cave-related and conservation-related business.

See also

• Caving
• Speleology

External links

• Cavechat.org, the discussion forum of the NSS
• The National Speleological Society
• NRO

Caving