Grottos of The NSS
Here are the Grottos of the NSS as listed in 2009.
Alabama
- Birmingham Grotto
- Central Alabama Grotto
- Cullman Grotto
- Gadsden Grotto
- Huntsville Grotto
- Jackson County Grotto
- Montgomery Grotto
Alaska
- Glacier Grotto
Arizona
- Central Arizona Grotto
- Cochise County Cavers
- Escabrosa Grotto
- Mule Mountain Caving Club
- Northern Arizona Grotto
- Southern Arizona Grotto
Arkansas
- Boston Mountain Grotto
- Central Region Arkansas Grotto
- COBRA Grotto
- Little Rock Grotto
- Middle Ozark Lower Earth Society MOLES
California
- Desert Dog Troglodytes
- Diablo Grotto
- Mother Lode Grotto
- San Diego Grotto
- San Francisco Bay Chapter of the NSS
- San Joaquin Valley
- Shascade Caving Society
- Shasta Area Grotto
- Southern California Grotto
- Stanislaus Speleology Association
- Waldo Brothers Grotto
Colorado
- Colorado Grotto
- Colorado Western Slope Grotto
- Front Range Grotto
- Northern Colorado Grotto
- Red Canyon Grotto
- Southern Colorado Mountain
- Timberline Grotto
Connecticut
- Central Connecticut Grotto
Delaware
- Commander Cody Caving Club
District of Columbia
- District of Columbia Grotto
Florida
- Central Florida Grotto
- Flint River Grotto
- Florida Speleological Society
- Tampa Bay Area Grotto
Georgia
- Athens Speleological Society
- Augusta Cave Masters
- Clayton County Cavers
- Clock Tower Grotto
- Dogwood City Grotto
- Middle Georgia Grotto
- Pigeon Mountain Grotto
Hawaii
- none based out of Hawaii
Idaho
- Bear River Grotto
- Gem State Grotto
- Silver Sage Grotto
Illinois
- Little Egypt Grotto
- Near Normal Grotto
- Rock River Speleological Society
- Sub-Urban Chicago Grotto
- Windy City Grotto
Indiana
- Bloomington Indian Grotto
- Central Indiana Grotto
- Eastern Indiana Grotto
- Evansville Metropolitan Grotto
- Harrison-Crawford Grotto
- Northern Indiana Grotto
- Saint Joseph Valley Grotto
- Western Indiana Grotto
Iowa
- Iowa Grotto
Kansas
- Kansas Speleological Society
Kentucky
- Blues Grass Grotto
- Fort Knox Grotto
- Green River Grotto
- Hart of Kentucky Grotto
- Louisville Grotto
- Pine Mountain Grotto
- Rockcastle Regional Grotto
Louisiana
- Crescent City Cavers
Maine
- none based out of Maine
Maryland
- Baltimore Grotto
- Frederick Grotto
- Sligo Grotto
- Western Maryland Grotto
Massachusetts
- Boston Grotto
Michigan
- Detroit Urban Grotto
- Michigan Interlakes Grotto
- Western Michigan Grotto
Minnesota
- Minnesota Speleological Society
Mississippi
- JUST Cavers
Missouri
- Branson Area Tri-Lakes Grotto
- Chouteau Grotto
- Kansas City Area Grotto
- Meramec Valley Grotto
- Middle Mississippi Valley Grotto
- Missouri Sch. Mines Spelunkers Club
- Ozark Highlands Grotto
- SEMO Grotto
- Springfield Plateau Grotto
- Stygian Grotto
Montana
- Northern Rocky Mountain Grotto
Nebraska
- none based out of Nebraska
Nevada
- Northern Nevada Grotto
- Southern Nevada Grotto
New Hampshire
- none based out of New Hampshire
New Jersey
- Central New Jersey Grotto
- New Jersey Tri-State Speleological Society
- Northern New Jersey Grotto
New Mexico
- Guadalupe Grotto
- Hondo Grotto
- Mesilla Valley Grotto
- New Mexico Tech Student Grotto
- Parajito Grotto
- Pecos Valley Grotto
- Sandia Grotto
- Sierra Blanca Grotto
- Whites Sands Grotto
New York
- Helderberg-Hudson Grotto
- Met Grotto
- Niagara Frontier Grotto
- Rensselaer Outing Club
- Shawangunk-Catskill Area Grotto
- Syracuse University Outing
North Carolina
- Bryson City Grotto
- Flittermouse Grotto
- Triangle Troglodytes
North Dakota
- none based out of North Dakota
Ohio
- Central Ohio Grotto
- Cleveland Grotto
- Dayton Underground Grotto
- Greater Cincinnati Grotto
- Miami Valley Grotto
- Ohio Cavers and Climbers
- Red-Eye Karst Team
- Shady Grove Grotto
- Standing Stone Grotto
- Wittenberg University Speleological Society
Oklahoma
- Arbuckle Mountains Grotto
- Central Oklahoma Grotto
- Tulsa Regional OK Grotto
Oregon
- Oregon Grotto
- Oregon High Desert Grotto
- Willamette Valley Grotto
Pennsylvania
- Bald Eagle Grotto
- Bucks County Grotto
- Buffalo Valley Grotto
- Cave Hill Grotto
- Franklin County Grotto
- Greater Allentown Grotto
- Huntingdon County Cave Hunters
- Loyalhanna Grotto
- Nittany Grotto
- Pennsylvania Inner-Earth Grotto
- Philadelphia Grotto
- Pittsburgh Grotto
- Seven Valleys Grotto
- York Grotto
Rhode Island
- none based out of Rhode Island
South Carolina
- South Carolina Interstate Grotto
South Dakota
- Paha Sapa Grotto
Tennessee
- Chattanooga Grotto
- Clarksville Underground
- Devilstep Grotto
- East Tennessee Grotto
- Nashville Grotto
- Obey River Grotto
- Sewanee Mountain Grotto
- Six Ridges Grotto
- Smoky Mountain Grotto
- Southport Chronic Cavers
- Spencer Mountain Grotto
- Tennessee Central Basin Grotto
- Upper Cumberland Grotto
Texas
- Aggie Speleological Society
- Bexar Grotto
- Cowtown Grotto
- Dallas-Fort Worth Grotto
- Galveston Grotto
- Greater Houston Grotto
- Lubbock Area Grotto
- Permian Basin Speleological Society
- UT Grotto
Utah
- Salt Lake Grotto
- Timpanogos Grotto
- Utah Grotto
- Wasatch Grotto
Vermont
- Vermont Cavers Association
Virginia
- Battlefield Area Troglodyte Society
- Blue Ridge Grotto
- Charlottesville Grotto
- Fairfax Underground Network
- Front Royal Grotto
- Grapevine Grotto
- James River Grotto
- Madison University Student Grotto
- Mid-Virginia Underground Grotto
- Mountain Empire Grotto
- New River Valley Grotto
- Richmond Area Speleological Society
- Tidewater Grotto
- Virginia Highlands Grotto
- VPI Cave Club
Washington
- Cascade Grotto
West Virginia
- Charleston Grotto
- ESSO Grotto
- Germany Valley Grotto
- Greater Randolph (GROSS)
- Monongahela Grotto
- Monroe County Cavers
- Mountain State Grotto
- Parkersburg Area Grotto
- TRA Grotto
- Tri-State Grotto
- West Virginia University Student Grotto
Wisconsin
- Great Lakes Cavers
- Wisconsin Speleological Society
Wyoming
- Armpit Grotto
- Hole-in-the-Wall Grotto
International
- Anthros Costa Rica Grotto
- Balincaguin Conservancy Grotto
- PAAMUL - Gruta de
Traveling
- Gypsy Underground Grotto
- Stonewall Cavers
Read more about this topic: Grotto (National Speleological Society)