Chattanooga Grotto of the NSS
- News, events, trips, SERA summer cave carnival.
- http://www.chattanoogagrotto.org/wiki/index.php/Main_Page

SERA Karst Task Force
- A resource organization dedicated to karst conservation and the clean up of karst features and caves through the education of both the public and caving communities. Includes information on the directors, meetings, achievements and how to get involved.
- http://www.sktfi.org

The Spencer Mountain Grotto
- A group of cavers caving in the Tennessee, Alabama, Georgia areas. Galleries, news, guestbook and information on cave conservation, safety and lingo.
- http://www.caves.org/grotto/spencer

Upper Cumberland Grotto
- Cookeville club affiliated with the National Speleological Society. Includes articles about safety and conservation, photos, membership and contact information.
- http://www.uppercumberlandcaving.net/

Smoky Mountain Grotto of the National Speleological Society
- Located in Knoxville on the University of Tennessee campus. Dedicated to exploration, mapping and conservation of caves. Includes information about meetings, activities and contacts.
- http://www.caves.org/grotto/smg/

Nashville Grotto of the National Speleological Society
- Dedicated to conservation, exploration and scientific study. Includes meeting and membership information.
- http://www.nashvillegrotto.org/

Tennessee Cave Survey
- Organization of the National Speleological Society devoted to the discovery, exploration, survey and mapping of the state's caves. Details of available maps and data, cave news, photos, meeting information, mapping standards, and other topics.
- http://www.webwhisper.com/tcs/default.html

Southeastern Cave Conservancy
- Dedicated to acquisition of karst areas through purchase, lease, easement, donation, or management agreements, conservation and management. Includes membership information and contacts.
- http://www.scci.org

Tennessee Central Basin Grotto
- In Murfreesboro and affiliated with NSS since 1961. Dedicated to exploration, conservation, cave rescue training and surveying. Includes meeting and contact information, upcoming events and photos.
- http://www.caves.org/grotto/tcbg/

East Tennessee Grotto
- Established in 1956 and affiliated with the National Speleological Society. Includes information about cave rescue and conservation, meetings, photo gallery and contacts.
- http://www.caves.org/grotto/etg/

Appalachian Grotto
- Located in Morristown and chapter of the NSS. Includes schedule of events, photos and contacts.
- http://www.caves.org/grotto/appalachian/