Send all updates/corrections to I/O Chair Paul Winter iocommittee@caves.org.
| Alaska | ||
| Alabama | ||
| Birmingham Grotto PO Box 59607 Birmingham, AL 35259-9607 (205) 914-7487 | scottfee@bellsouth.net www.bhamgrotto.org | |
| Central Alabama Grotto c/o Michael Gilbert 2735 Goodwin RD Morris, AL 35116 (256) 223-2228 | UAcaver@aol.com centralalabamagrotto.org | |
| Cullman Grotto c/o Harold Calvert 123 co. rd. 250 Cullman, AL 35057 (256) 287-9770 | webecavers@hotmail.com www.caves.org/grotto/cullman/ | |
| Gadsden Grotto PO Box 2092 Gadsden, AL 35903 (256) 526-8014 | frogray75@gmail.com www.caves.org/grotto/gadsdengrotto/index.html | |
| Huntsville Grotto PO Box 1702 Huntsville, AL 35807-0702 | huntsvillegrotto@googlegroups.com https://www.huntsvillegrotto.net/ | |
| Jackson County Grotto c/o Milton Polsky 706 Garland Ferry Rd Scottsboro, AL 35768 (256) 599-3584 | mlpol@scottsboro.org | |
| Montgomery Grotto c/o Jelene Franklin 529 Paddock Lane Montgomery, AL 36109 (334) 279-9843 | MontgomeryGrotto@gmail.com www.caves.org/grotto/montgomery/ | |
| RAT Grotto c/o Kevin Reeves PO Box 99 Gallant, AL 35972 (256) 679-2569 | ratgrotto@gmail.com | |
| Arkansas | ||
| Boston Mountain Grotto c/o Mike Ross 19978 Groth Road Springdale, AR 72764 (479) 236-0197 | bmg@caves.org www.caves.org/grotto/bmg/ | |
| Central Region Arkansas Grotto c/o Wesley Wilson 702 Beverly Drive Harrison, AR 72601 (870) 754-3001 | weskerblack@hotmail.com www.geocities.com/c_r_a_g/ | |
| COBRA Grotto c/o Lyon College Sci. Div. 2300 Highland Rd Batesville, AR 72501 (870) 307-7269 | david.thomas@lyon.edu cobra.lyon.edu | |
| Little Rock Grotto c/o Dewayne Agin 7112 Westwind North Little Rock, AR 72113 | white.trash.mike@gmail.com www.caves.org/grotto/lrg/ | |
| Middle Ozark Lower Earth Soc. MOLES c/o Drew Westerman 6 Havenwood Lane Maumelle, AR 72113 (501) 516-6399 | dawbbelt@hotmail.com | |
| American Samoa | ||
| Arizona | ||
| Central Arizona Grotto c/o Ray Keeler 26406 N 43rd Avenue Glendale, AZ 85083 (623) 523-1760 | rckeeler@cox.net centralarizonagrotto.webstarts.com/ | |
| Cochise County Cavers c/o Ellen Preiss 5165 Calle Bonita Sierra Vista, AZ 85635 (520) 508-6033 | ellenpreiss@yahoo.com | |
| Escabrosa Grotto PO Box 41651 Tucson, AZ 85717-1651 (520) 240-4617 | Jerry.Isaman@sunquestinfo.com www.escabrosa.org/ | |
| Mule Mountain Caving Club c/o Michael Bednorz PO Box 706 Bisbee, AZ 85603 | ||
| Northern Arizona Grotto c/o Larry Zimmer 7840 E Manley Dr Prescott Valley, AZ 86314 (928) 775-2390 | noazcaves@cableone.net www.caves.org/grotto/nag/ | |
| Southern Arizona PO Box 13704 Tucson, AZ 85732 (520) 990-6100 | southern.az.grotto@gmail.com sagrotto.caves.org | |
| California | ||
| Desert Dog Troglodytes c/o Doug Billings P.O. Box 30398 Long Beach, CA 90853 (714) 321-4684 | info@desertdogs.org www.desertdogs.org/ | |
| Diablo Grotto c/o Chalres E. Lee 2452 Medallion Dr Union City, CA 94587-1955 (510) 487-8482 | ccaverlee@yahoo.com www.caves.org/grotto/diablo/ | |
| Mother Lode Grotto PO Box 41531 Sacramento, CA 95841-0531 (530) 574-2006 | jeremydelcid@msn.com www.motherlodegrotto.org | |
| Redwood Grotto c/o Mary Rose 807 Las Palmas Ave Novato, CA 94949-6203 (415) 652-8009 | redwoodgrotto@caves.org Redwoodgrotto.caves.org | |
| San Diego Grotto c/o Richard Breisch 4735 Mount Ashmun Dr. San Diego, CA 92111 (858) 278-6280 | rsbreisch@san.rr.com www.sdgrotto.com/ | |
| San Francisco Bay Chapter of NSS Post Office Box 2282 Menlo Park, CA 94026-2282 | contact@sfbaycaving.org www.sfbaycaving.org | |
| San Joaquin Valley Grotto c/o Howard A. Hurtt 623 E. Yale Ave. Fresno, CA 93704 (559) 243-0732 | howard.hurtt@gmail.com sjvg.org | |
| Shascade Caving Society c/o James Newell 20830 Big Bend Road Montgomery Creek, CA 96065 (530) 337-6952 | jncaveman1@gmail.com | |
| Shasta Area Grotto c/o Liz Wolff POB 865 McCloud, CA 96057 (530) 261-1685 | ringbat1@gmail.com www.caves.org/grotto/sag/ | |
| Southern California Grotto PO Box 127 La Canada, CA 91012 (818) 903-0545 | socalgrottotreasurer@gmail.com www.SouthernCaliforniaGrotto.com | |
| Stanislaus Speleo. Assn. c/o Cathy Weibel 1645 Cork Oak Lane Manteca, CA 95336 (209) 969-5091 | weibel5@comcast.net | |
| Colorado | ||
| Colorado Grotto c/o Jon Schow 11379 W Park Range Road Littleton, CO 80127 | acojon@gmail.com coloradogrotto.org | |
| Colorado Western Slope Grotto c/o Ken Headrick 362 Evergreen Dr. Rifle, CO 81650 (720) 635-2524 | cavecritters@gmail.com coloradowesternslopegrotto.org | |
| Front Range Grotto c/o Fred Luiszer 4669 Anasazi Ct. Boulder, CO 80303 (303) 596-2123 | manleyk@colorado.edu www.frontrangegrotto.org | |
| Northern Colorado Grotto c/o 3416 Minuteman Drive 747 N. Jefferson Ave Loveland, CO 80526 (970) 667-1440 | brucecaves@q.com www.northerncoloradogrotto.com | |
| Southern Colorado Mountain c/o Layla Borgens 4475 red forest rd Monument, CO 80132 (970) 631-1419 | nurse.layla@yahoo.com www.scmg.info | |
| Timberline Grotto c/o Kenneth Newton 110 White Horse Place Glenwood Springs, CO 81601 (970) 618-6666 | cavekids@comcast.net www.caves.org/grotto/timberline/index.htm | |
| Connecticut | ||
| Central Connecticut Grotto c/o Ashley Pospisil 400 N Main St. Unit #24 Manchester, CT 06042 (860) 869-0932 | info@ctcavers.org www.ctcavers.org | |
| District of Columbia | ||
| District of Columbia Grotto c/o Adam Lake 24060 New Mountain Road Aldie, VA 20105 (598) 814-2232 | lake80@hotmail.com www.caves.org/grotto/dcg/ | |
| Delaware | ||
| Commander Cody Caving Club c/o Bill and Kathy Schultz 8 Waxwing Court Wilmington, DE 19808 | info@commandercodycaving.com commandercodycaving.com | |
| Florida | ||
| Central Florida Grotto c/o Debra Young 551 Homestead Ave NE Palm Bay, FL 32907 (321) 984-0228 | suzyoung@bellsouth.net www.centralfloridacavers.com | |
| Flint River Grotto c/o Samantha Tyler 4201 Stoney Pointe Drive Tallahassee, FL 32309 (850) 209-2793 | samantha.tyler@outlook.com www.flintrivergrotto.org | |
| Florida Speleological Society c/o Jerry Johnson 7130 NE 150th Ave. Williston, FL 32696-4954 (352) 528-6664 | board@floridacaving.com www.floridacaving.com | |
| River City Grotto c/o Phillip Walker 11341 Mandarin Ridge Lane Jacksonville, FL 32258 | board@rivercitygrotto.com www.rivercitygrotto.com | |
| Tampa Bay Area Grotto c/o Larry Rueff 1212 E. Clifton St. Tampa, FL 33604 (727) 741-6958 | lrueff@tampabay.rr.com www.caves.org/grotto/tbag | |
| Federated States of Micronesia | ||
| Foreign Grotto | ||
| Georgia | ||
| Athens Speleological Society c/o Don Hunter 157 Madison Oaks Dr Colbert, GA 30628-2051 (706) 788-2051 | donandkaren@windstream.net groups.yahoo.com/group/ASSnet/ | |
| Augusta Cave Masters c/o Charles Mock 4346 Ridge Cliff Drive Augusta, GA 30909 (706) 829-2864 | Charlesjm3@yahoo.com www.caves.org/grotto/augustacavers/ | |
| Clayton County Cavers c/o Jeff Sorensen 2053 Cezar Dr Kennesaw, GA 30152-3109 (770) 425-3925 | barefootcaver@att.net | |
| Clock Tower Grotto P.O. Box 490096 Mount Berry, GA 30149-0096 | clock.tower.grotto@gmail.com www.facebook.com/groups/clocktowergrotto/ | |
| Dogwood City Grotto PO Box 417 Decatur, GA 30031-0417 (770) 653-4435 | ec@dogwoodcitygrotto.org www.dogwoodcitygrotto.org | |
| Middle Georgia Grotto c/o Tom Moltz 986 VALLEY HEAD CHURCH RD LaFayette, GA 30728 (706) 954-0921 | moltzcaves@windstream.net middlegeorgiagrotto.spaces.live.com/ | |
| Pigeon Mountain Grotto PO Box 7 Rock Spring, GA 30739 | pigeonmountaingrotto@yahoo.com | |
| Team Poseidon c/o Will Urbanski 955 Moores Mill Road Atlanta, GA 30327 (540) 521-5646 | will.urbanski@gmail.com team-poseidon.org | |
| Guam | ||
| Hawaii | ||
| Hawaii Grotto c/o John M. Wilson PO Box 377650 Ocean View, HI 96737 (808) 929-8256 | jmwgeo@gmail.com www.facebook.com/groups/348624448643257 | |
| Iowa | ||
| Iowa Grotto Box 228 Iowa City, IA 52244 | klausnere@gmail.com www.caves.org/grotto/iowa/ | |
| Idaho | ||
| Gem State Grotto PO Box 1334 Boise, ID 83701 (208) 853-4070 | rv00@sbcglobal.net gemstategrotto.caves.org | |
| Silver Sage Grotto P.O. Box 5151 Twin Falls, ID 83303-5151 (208) 736-0615 | cavers@mindspring.com www.caves.org/grotto/ssg/ | |
| Illinois | ||
| Little Egypt Grotto c/o Dept of Geography, SIUC 1259 Lincoln Dr Carbondale, IL 62901-4324 (217) 341-0659 | info@littleegyptgrotto.org www.littleegyptgrotto.org | |
| Near Normal Grotto PO Box 813 Normal, IL 61761 (309) 824-1304 | marc_tiritilli@hotmail.com www.caves.org/grotto/nng/ | |
| Rock River Speleological Soc. c/o John Lovaas 308 E. Kimball Ave Woodstock, IL 60098 (815) 338-7518 | jlovaas@mc.net www.caves.org/grotto/rrss/ | |
Sub-Urban Chicago Grotto | garygibula@aol.com www.SUCG.org | |
| Windy City Grotto c/o Gregory Schmit 9343 Lincoln Av. Brookfield, IL 60513-1254 (708) 387-0592 | cavecritter100@gmail.com www.windycitygrotto.org | |
| Indiana | ||
| Bloomington Indiana Grotto c/o S. Frushour 513 W. Dixie Street Bloomington, IN 47403-4707 (812) 339-2130 | frushour@indiana.edu www.caves.org/grotto/big/big.html | |
| Central Indiana Grotto PO Box 153 Indianapolis, IN 46206-0153 (317) 518-8114 | rlunseth@zmarketingpartners.com www.cigcaves.com | |
| Eastern Indiana Grotto c/o Brian Leavell 1627 South M Street Elwood, IN 46036 (765) 552-7619 | bleavell1950@sbcglobal.net www.caves.org/grotto/eig/ | |
| Evansville Metropolitan Grotto c/o Bob Sergesketter 1090 Hopf Ave. Jasper, IN 47546-3822 | 60stevew@gmail.com www.caves.org/grotto/emg/ | |
| Northern Indiana Grotto c/o Dave Seng 14912 Brick Rd. Granger, IN 46530 (574) 277-1351 | ddseng@comcast.net www.caves.org/grotto/nig/ | |
| Saint Joseph Valley Grotto c/o Tony Cunningham 29588 CR 18 W Elkhart, IN 46517 (574) 596-3656 | sjvgcaver@yahoo.com www.caves.org/grotto/sjvg/ | |
| Western Indiana Grotto c/o Robert Jarboe 8319 Buffalo Rd Poland, IN 47868 (317) 441-1171 | robert@jarboe.us indiana-caves.org | |
| Kansas | ||
| Kansas Speleological Society c/o Wayne White 392 E. 197th St Scranton, KS 66537 (785) 828-4994 | kss@caves.org www.caves.org/grotto/kss/ | |
| Kentucky | ||
| Blue Grass Grotto c/o David Lindemuth, Treasurer 1825 Gayle Drive Lexington, KY 40505 (859) 293-5346 | lindemud@lexingtonky.gov BlueGrassGrotto.org/ | |
| Green River Grotto c/o WKU Geography and Geology 1906 CollegeHeights Blvd#31066 Bowling Green, KY 42101-1066 (270) 745-5015 | jason.polk@wku.edu www.facebook.com/groups/greenrivergrotto | |
| Louisville Grotto c/o Holly McClintock 506 Maplecrest Lagrange, KY 40031 (502) 435-2106 | dmcauto@hotmail.com louisville.caves.org/ | |
| Pine Mountain Grotto c/o Pine Mountain Grotto 2922 KY 1803 Barbourville, KY 40906 (606) 213-0591 | tec5419@gmail.com | |
| Rockcastle Regional Grotto c/o DAVID LINDSEY 1343 WOLF CR RD Orlando, KY 40460 (606) 256-9222 | ronfulcher@aol.com www.daytondigger.com/Rockcastle.html | |
| Louisiana | ||
| Crescent City Cavers c/o William Leake 1837 Woodrow Ave Metairie, LA 70001 | nosmo@bellsouth.net | |
| Massachusetts | ||
| Boston Grotto Box 380304, Hrvd. Sq. Sta. Cambridge, MA 02138-0304 (978) 897-6730 | bginfo@bostongrotto.org www.bostongrotto.org/ | |
| Maryland | ||
| Baltimore Grotto c/o Carol Tiderman 7600 Pindell School Rd Fulton, MD 20759-9725 | kfleisch@juno.com www.caves.org/grotto/baltimore/ | |
| Frederick Grotto c/o Larry Fisher 935 Bloom Road Westminster, MD 21157 (410) 259-2415 | lfisher@charm.net frederickgrotto.caves.org | |
| Sligo Grotto c/o Jim McConkey 3703 Rockdale Road Millers, MD 21102-2619 (410) 374-3504 | mcjames@verizon.net www.caves.org/grotto/sligo/ | |
| Western Maryland Grotto Argyle Street Keyser, WV 26726 | wmdgrotto@gmail.com | |
| Maine | ||
| Marshall Islands | ||
| Michigan | ||
| Detroit Urban Grotto c/o Larry Bean 204 Washington St. Chelsea, MI 48118 (734) 475-4648 | BEANL@michigan.gov fisherridge.net | |
| Michigan Interlakes Grotto c/o Tim Deady PO Box 3871 Ann Arbor, MI 48106-3871 (616) 560-7955 | devriesj@aol.com www.caves.org/grotto/mig/ | |
| Minnesota | ||
| Minnesota Caving Club c/o John Ackerman 2525 W. Hwy. 13 Burnsville, MN 55337 (612) 685-1160 | cavepreserve@gmail.com www.mncavingclub.com | |
| Minnesota Speleological Survey PO Box 763 South St Paul, MN 55075 (612) 827-6398 | mss@mss-caving.org www.mss-caving.org | |
| Missouri | ||
| Branson Area Tri-Lakes Grotto c/o Troy Atchison 2026 Day Road Walnut Shade, MO 65771 (417) 331-3913 | bpolke@hfecorp.com www.facebook.com/batlgrotto | |
| Chouteau Grotto c/o Kevin Feltz 8640 Wheeler Ln. Hallsville, MO 65255 (573) 673-3388 | wordenrl2323@yahoo.com groups.yahoo.com/group/chouteau/ | |
| Daedalus Cavers Grotto c/o Jeff Fennell 3344 Dakota Hills Dr Pacific, MO 63069-4915 (636) 575-0669 | Kavman87@yahoo.com www.missourimountaineers.com/daedalus.htm | |
Kansas City Area Grotto | info@kcgrotto.org www.kcgrotto.org/ | |
| Meramec Valley Grotto c/o Alicia Wallace 600 Ellwine Dr St Louis, MO 63125 (314) 892-4351 | caversquirrel1@aol.com www.MeramecValleyGrotto.org/ | |
| Middle Mississippi Valley Gr. c/o Laura Belarbi 5712 Pennsylvania Ave. St. Louis, MO 63111-2228 (314) 339-9207 | lbelarbi67@yahoo.com www.mmvgrotto.com/ | |
| Missouri Sch. Mines Spelunkers Club c/o Dept of Geology/Geophysics 1870 Miner Circle, 125 McNutt Rolla, MO 65409 | spelunk@mst.edu www.mst.edu/~spelunk/ | |
| Ozark Highlands Grotto c/o Bill Copeland P.O. BOX 639 Ozark, MO 65721-0639 (417) 581-1210 | restocaver@yahoo.com None | |
| Roubidoux Grotto PO Box 1056 St. Robert, MO 65584 (573) 201-0931 | piagt71@gmail.com www.facebook.com/RoubidouxGrotto | |
| SEMO Grotto c/o Robert Kavaliauskas 2331 Bellridge Pike Cape Girardeau, MO 63701 (573) 334-0852 | robertrjck@sbcglobal.net semogrotto@yahoogroups.com | |
| Springfield Plateau Grotto c/o Jonathan Beard 923 E. Guinevere St. Springfield, MO 65807-3720 (417) 887-7231 | mokanman@att.net www.spgcavers.org | |
| Northern Mariana Islands | ||
| Mississippi | ||
| JUST Cavers c/o T. John Schliesser 157 Dogwood Circle Brandon, MS 39047 (601) 992-0141 | tcaves@comcast.net | |
| Montana | ||
| Northern Rocky Mountain Grotto c/o Ian Chechet 505 N Willson Ave Bozeman, MT 59715 (406) 860-7574 | ianchechet@gmail.com nrmg.org | |
| North Carolina | ||
| Charlotte Caving Club 8082 Kennet Lane Fort Mill, SC 29707 (980) 422-7023 |
https://charlottecavingclub.weebly.com/ Charlottecaversclub@gmail.com |
|
| Flittermouse Grotto c/o Dan Henry 613 Marietta St Asheville, NC 28803 (828) 337-8922 | caverdan@gmail.com flittermouse.org | |
| Triangle Troglodytes c/o Ken Walsh 720 Bishops Park Dr Unit 303 Raleigh, NC 27605 (919 )833-3395 | chair@tritrogs.org www.tritrogs.org | |
| North Dakota | ||
| Nebraska | ||
| New Hampshire | ||
| New Jersey | ||
| Central New Jersey Grotto c/o Carolyn Psarianos 107 Limewood Drive Hamilton Square, NJ 08690-2212 (609) 890-0962 | kpsarianos@njirt.org www.caves.org/grotto/cnjg/ | |
| New Jersey Tri-State Spel. Society c/o Mark Gardas 218 Conklintown Road Wanaque, NJ 07465-2108 (973) 551-1935 | geoasys@yahoo.com | |
| Northern New Jersey Grotto c/o Barclay Foord 1 Cutlass Road Kinnelon, NJ 07405 (973) 452-4548 | Foordmore@yahoo.com www.nnjg.org/ | |
| New Mexico | ||
| Mesilla Valley Grotto c/o Kenneth Stabinsky 3120 Risner St Las Cruces, NM 88011 (575) 649-1467 | speleobabe@comcast.net | |
| New Mexico Tech Student Grotto c/o NMT Caving Club Physical Rec, 801 Leroy Place Socorro, NM 87801 (505) 933-0570 | nmtcaver@dragonsdawn.org infohost.nmt.edu/~nmtcaver/index.htm | |
| Pajarito Grotto c/o John Lyles p.o. box 95 Los Alamos, NM 87544 | wpipistrelle@yahoo.com www.pajaritogrotto.org/ | |
| Pecos Valley Grotto c/o Phyllis Boneau 1407 S 23rd Street Artesia, NM 88210 (575) 748-3497 | pjbean@gmail.com www.caves.org/grotto/pecosvalleygrotto/ | |
| Sandia Grotto c/o Sandia Grotto 509 Aliso Dr. NE Albuquerque, NM 87108 (505) 697-8106 | garrettljorgensen@gmail.com www.caves.org/grotto/sandia | |
| Sierra Blanca Grotto c/o Paul Dunlap PO Box 1721 Ruidoso Downs, NM 88346-1721 (575) 808-0425 | ruicaver@yahoo.com | |
| White Sands Grotto c/o Carol Belski 408 Southern Sky Carlsbad, NM 88220-5338 (575) 885-6168 | belskic@windstream.net | |
| Nevada | ||
| Northern Nevada Grotto c/o Deanna Stever PO Box 1406 Sundance, WY 82729 (775) 293-2466 | deanna.m.stever@gmail.com groups.yahoo.com/group/NNVGrotto/ | |
| Southern Nevada Grotto c/o Ron Davis 6687 Oxendale Ave Las Vegas, NV 89139 (209) 351-1809 | rdavis@ron-davis.net | |
| New York | ||
| Helderberg-Hudson Grotto PO Box 804 Schoharie, NY 12157 | hhg@caves.org www.caves.org/grotto/hhg/ | |
| Met Grotto c/o Ayzha Wolf 445 E 80th Street Apt 20A New York, NY 10075 (646) 924-9711 | awolf@ayzfinancial.com www.metgrotto.com/ | |
| Niagara Frontier Grotto c/o Ben Brown 7518 Knickerbocker Rd Ontario, NY 14519 (315) 524-4152 | ben@ontariosurplus.com www.wnycavers.org | |
| Rensselaer Outing Club c/o Attn: Caving Chair RPI Student Union Troy, NY 12180 | outing@union.rpi.edu www.outing.org | |
| Shawangunk-Catskill Area Grotto c/o Steve McLuckie 128 Washington Ave Kingston, NY 12401 (845) 339-3017 | scagrotto@hvc.rr.com www.scagrotto.com | |
| Syracuse University Outing 241 Archbold Gymnasium Syracuse, NY 13244-1130 | president@suoc.syr.edu suoc.syr.edu/ | |
| Ohio | ||
| Central Ohio Grotto c/o Brian Devine 2500 W Mound St Columbus, OH 43204 (614) 530-8360 | briandevine9@gmail.com www.centralohiogrotto.com | |
| Cleveland Grotto c/o William Lendvay 6960 Hilton Rd Brecksville, OH 44141 (440) 526-4029 | wjlendvay@att.net www.clevelandgrotto.org/ | |
| Dayton Underground Grotto c/o Tama Cassidy 414 Michigan Ave. Troy, OH 45373 (937) 332-9078 | tamac@woh.rr.com www.dugcaves.com | |
| Greater Cincinnati Grotto P. O. Box 19499 Cincinnati, OH 45219 (513) 662-4382 | mwuerth1@yahoo.com www.gcgcavers.com | |
| Miami Valley Grotto c/o Daryl Robinson 15602 Hillcrest Road Mount Orab, OH 45154 (513) 623-3008 | vertcvr@gmail.com | |
| Ohio Cavers and Climbers c/o Joe Marchese 26847 John Road Olmsted Township, OH 44138-1237 (440) 227-9798 | f-350caver@att.net | |
| Standing Stone Grotto c/o Mike Oatney PO Box 231 Sugar Grove, OH 43155-0231 (740) 746-8337 | moatney@columbus.rr.com | |
| Wittenberg U. Spel Soc (Stu) c/o Dept. of Biology Wittenberg Univ. PO Box 720 Springfield, OH 45501-0720 | wusscavers@gmail.com www.wusscavers.com | |
| Oklahoma | ||
| Arbuckle Mountains Grotto c/o AMG Library and Records PO BOX 2352 Ada, OK 74821 (580) 399-2204 | arbuckle_karst@yahoo.com www.arbucklekarst.org | |
| Central Oklahoma Grotto c/o Lil Town 25692 Mosier Circle Conifer, CO 80433 (580) 477-4027 | cavemoose@gmail.com okcavers.com | |
| Tulsa Regional OK Grotto PO Box 1736 Tulsa, OK 74101-1736 (918) 906-5615 | cavesoftly@cox.net www.tulsagrotto.org | |
| Oregon | ||
| Oregon Grotto c/o KIM LUPER PO BOX 1290 FAIRVIEW, OR 97024 (503) 560-3840 | battycaver@yahoo.com www.oregongrotto.com | |
| Oregon High Desert Grotto c/o Brent McGregor P.O. Box 1477 Sisters, OR 97759 (541) 549-1584 | rockiees_58@msn.com www.ohdgrotto.com | |
| Willamette Valley Grotto c/o Chris Wiley 865 NE Tomahawk Island Dr., Su Portland, OR 97217 (503) 380-7740 | wvg.1975@yahoo.com wvg.caves.org/ | |
| Pennsylvania | ||
| Bald Eagle Grotto PO Box 71 Cogan Station, PA 17728-0071 | bald_eagle_grotto@hotmail.com baldeaglegrotto.weebly.com/ | |
| Bucks County Grotto c/o Rich Kranzel 1306 Darrington Ct. Warrington, PA 18976 (215) 343-0928 | merklekranz@yahoo.com | |
| Franklin County Grotto c/o John Boswell 1120 Baish Road Mechanicsburg, PA 17055 (717) 386-5397 | fcg@karst.org www.karst.org/fcg | |
| Greater Allentown Grotto Post Office Box 373 Neffs, PA 18065-0373 | GAG@caves.org gag.caves.org | |
| Huntingdon County Cave Hunters 9185 Blue Sky Drive Huntingdon, PA 16652-8602 | hcch@caves.org hcch.caves.org | |
| Loyalhanna Grotto PO Box 354 Monroeville, PA 15146 | Loyalhannagrotto@yahoo.com www.karst.org/loyalhanna/ | |
| Nittany Grotto PO Box 676 State College, PA 16804-0676 | caverhope@gmail.com www.caves.org/grotto/nittany/ | |
| Pennsylvania Inner-Earth Grotto c/o Rich Monty 129 Appledale Lane Indiana, Pa 15701 (724) 479-2686 | caveman33875@yahoo.com | |
| Philadelphia Grotto c/o Amos Mincin 13 Levis Avenue Media, PA 19063 (000) 000-0000 | www.phillygrotto.org/ | |
| Pittsburgh Grotto c/o Carl Pierce 52 Vernon Drive Pittsburgh, PA 15228-1165 (412)341-1512 | www.karst.org/pgrotto/ | |
| Seven Valleys Grotto c/o Robert Seager 3750 W. Main St Belleville, PA 17004 (717) 935-5384 | caverzig@embarqmail.com sevenvalleysgrotto.org/ | |
| York Grotto c/o Joel Jacobs 2 Locust Hollow Carlisle, PA 17015 | contact@yorkgrotto.org www.yorkgrotto.org/ | |
| Puerto Rico | ||
| Palau | ||
| Rhode Island | ||
| South Carolina | ||
| South Carolina Interstate Grotto c/o Roy C. Merin PO Box 1171 Greer, SC 29652-1171 (864) 915-6107 | skibumroy5@charter.net | |
| South Dakota | ||
| Paha Sapa Grotto c/o Chris Pelczarski 25181 Wazi Lane Custer, SD 57730 (605) 430-8624 | chairperson@pahasapagrotto.org www.pahasapagrotto.org | |
| Stonewall Cavers c/o Ginger Baker 7052 Central Ave Lemon Grove, CA 91945 (619) 876-3645 | gin411@yahoo.com www.stonewallcavers.org/ | |
| Tennessee | ||
| Chattanooga Grotto PO Box 11506 Chattanooga, TN 37401-2506 | cavers@chattanoogagrotto.org www.chattanoogagrotto.org | |
| East Tennessee Grotto PO Box 4802 Oak Ridge, TN 37831 (865) 271-8858 | harmonabigails@gmail.com www.caves.org/grotto/etg/ | |
| Nashville Grotto PO Box 23114 Nashville, TN 37202 (615) 673-0109 | chair@nashvillegrotto.org https://www.nashvillegrotto.org | |
| Sewanee Mountain Grotto c/o Maureen Handler 900 Old Sewanee Road Sewanee, TN 37375 (828) 200-2754 | sewaneemountaingrotto@caves.org www.caves.org/grotto/sewaneemountaingrotto/ | |
| Six Ridges Grotto c/o Mike Patrick 1835 Whitehouse Rd Greeneville, TN 37745 (423) 552-3218 | mkpat09@gmail.com www.sixridgesgrotto.com | |
| Smoky Mountain Grotto c/o Matt Tomlinson 6204 Layton Ln Knoxville, TN 37909 (865) 567-4561 | matpix@gmail.com www.smgrotto.wix.com/smg-webpage | |
| Southport Chronic Cavers c/o Robert Sewell 1610 Evergreen Street Chapel Hill, TN 37034 (931) 364-4990 | caver53038@gmail.com www.caves.org/grotto/sccg/ | |
| Spencer Mountain Grotto c/o Rosemarie MacDonell 231 Spencer Drive Spencer, TN 38585 (931)946-7438 | rosemarie@blomand.net www.caves.org/grotto/spencer/ | |
| Upper Cumberland Grotto c/o Natasha Mosley 1901 Bay View Drive Cookeville, TN 38506 (931) 265-3960 | NatashaMoseley02@hotmail.com www.facebook.com/ucgrotto | |
| Traveling Grotto | ||
| Gypsy Underground Grotto c/o Kristen Nielsen 194 South Fork Road Durango, CO 81303 (970) 749-8795 |
huckwagon@gmail.com www.caves.org/grotto/gug/ |
|
Israeli Caving Club |
||
| Persona Non Grotto c/o Steve Knutson PO Box 111 Corbett, OR 97019 (503) 695-6552 |
mtnbiketrail@zzz.com personanongrotto@groups.io |
|
| Stonewall Cavers c/o Ginger Baker 7052 Central Ave Lemon Grove, CA 91945 (619) 876-3645 |
gin411@yahoo.com www.stonewallcavers.org/ |
|
| Texas | ||
| Aggie Speleological Soc. (student) 1236 TAMU Slot# 436 College Station, TX 77843 (713) 805-4916 | clay.rowden@gmail.com https://cavetamu.com/ | |
| Bexar Grotto c/o Tom Florer 2186 Jackson Keller #420 San Antonio, TX 78243 (512) 560-6037 | tomflorer@yahoo.com www.caves.org/grotto/bexargrotto/ | |
| Dallas-Fort Worth Grotto c/o Juliana Rincon 3701 Grapevine Mills Pky #2225 Irving, TX 76051-1935 (202) 316-2586 | jules.rincon@gmail.com dfwgrotto.org/ | |
| Greater Houston Grotto c/o Noah McDougall 1621 Heights Blvd. Apt 7 Houston, TX 77008 (865) 323-3873 | noahmcdougall@gmail.com greaterhoustongrotto.org/ | |
| GUAD Grotto 6011 Hueco Tanks Rd El Paso, TX 79938-8746 (915) 474-4844 | guadgrotto@gmail.com cavegrotto.wordpress.com | |
| Lubbock Area Grotto c/o Brian K. Alger 3403 89th St Lubbock, TX 79423-2707 | 2cavers@sbcglobal.net www.lubbockareagrotto.org/ | |
| Permian Basin Speleological Society c/o Kerry Lowery 700 Jill Rd Big Spring, TX 79720 (432) 394-4230 | klowery3@suddenlink.net www.caver.net/pbss/pbss.html | |
| UT Grotto c/o Underground Texas Grotto PO Box 7672 Austin, TX 78713 (512) 284-1500 | aubri.jenson@gmail.com www.utgrotto.org/ | |
| Utah | ||
| Salt Lake Grotto c/o 7757 S 1920 W 7757 S 1920 W West Jordan, UT 84084 (801) 243-7377 | rodneymulder@live.com saltlakegrotto.org/ | |
| Timpanogos Grotto c/o Richard Downey 380 N 600 E Orem, UT 84097 (801) 224-6678 | cavediva@msn.com www.caves.org/grotto/timpgrotto/ | |
| Utah Grotto c/o Duane McCully 5543 Lockwood Drive West Valley City, UT 84120 (801) 916-8399 | dmccully@xmission.com www.utahgrotto.org | |
| Wasatch Grotto c/o Jim Bulkeley 9185 Quail Hollow Dr Sandy, UT 84093 (801) 942-7527 | jbulkeley73@yahoo.com www.caves.org/grotto/wasatch/ | |
| Virginia | ||
| Battlefield Area Troglodyte Soc c/o Allan Weberg | bats@caves.org bats.caves.org/ | |
Blue Ridge Grotto | sockymss@cox.net https.blueridgegrotto.org | |
| Charlottesville Grotto c/o Blake N Jordan 154 Patterson Mill Ln Crozet, VA 22932 (505) 362-0101 | blandevoid@gmail.com www.cvillegrotto.org | |
| Fairfax Underground Network c/o 11401 Macpherson Court 11401 Macpherson Court Fredericksburg, VA 22407 | gmosskvr@gmail.com | |
| Front Royal Grotto c/o Janet Tinkham 360 Kings Dr Fort Valley, VA 22652 (540) 933-6850 | janete@shentel.net frg.caves.org | |
| James River Grotto c/o Charles P. Waller 1116 7th. st. Altavista, VA 24517 (434) 369-7392 | rockjoc@hotmail.com jamesrivergrottova.weebly.com/ | |
| Madison University Student Grotto c/o UREC Bldg. James Madison University Harrisonburg, VA 22807 | coatescl@jmu.edu musg.caves.org | |
| Mountain Empire Grotto c/o Paul Gaskins 381 Beechwood Circle Bristol, TN 37620 (423) 878-4408 | pgaskins@btes.tv www.caves.org/grotto/meg/ | |
| New River Valley Grotto c/o Tom Gerow PO Box 3056 Radford, VA 24143-3056 (540) 250-8390 | gerowtj@gmail.com caves.org/grotto/nrvg/ | |
| Richmond Area Spel. Soc. c/o Garrie Denson P.O. Box 2740 Mechanicsville, VA 23116 (804) 914-1336 | jhartcavesva@gmail.com www.caves.org/grotto/rass/ | |
| Tidewater Grotto c/o James R Cruse 500 Moonraker Dr Apt 308 Chesapeake, VA 23320 (757) 742-1137 | centuryryder@gmail.com | |
| Virginia Highlands Grotto c/o Rick Lambert PO Box 151 Monterey, VA 24465-0151 (540) 468-2722 | highland@virginiacaves.org vhg.cavingclub.org | |
| VPI Cave Club PO Box 558 Blacksburg, VA 24063-0558 | exec@vpicaveclub.org www.cave.org.vt.edu/wordpress/ | |
| Walker Mountain Grotto c/o Bill Grose 875 Rolling Hills Dr Wytheville, VA 24382-1239 (276) 228-7357 | wgrose2003@embarqmail.com walkergrotto.wordpress.com/ | |
| Virgin Islands | ||
| Vermont | ||
| Vermont Cavers Association c/o John Dunham PO Box 485 Marlboro, VT 05344 (802) 254-2988 | seileonne@gmail.com www.vermontcavers.org | |
| Washington | ||
| Cascade Grotto PO Box 66623 Seattle, WA 98166-0623 (206) 417-3683 | cascade_grotto@caves.org cascadegrotto.org | |
| West Virginia | ||
| Charleston Grotto c/o Robert Frostick PO Box 6885 Charleston, WV 25362 (304) 343-8569 | oztotl@suddenlink.net | |
| ESSO Grotto c/o Sheila Stephens 211 Woodland Ct Grayson, KY 41143-8001 (606) 225-0555 | srgilliam390@yahoo.com www.essogrotto.com | |
| Germany Valley Grotto 942 Callen Lane Upper Tract, WV 26866-9714 (301) 350-6422 | caverdvmjo@yahoo.com | |
| Greater Randolph (GROSS) c/o Harold M. "Rocky" Parsons 960 Broad Run Sinks Grove, WV 24976 (304) 661-5631 | wvsandrock@gmail.com | |
| Greenbrier Grotto c/o Bill Balfour 3954 Carroll Hill Road Frankford, WV 24938 (304) 497-0859 | bal4karst@hotmail.com | |
| Monongahela Grotto c/o Wayne Perkins 22 Ben Bryan Blvd Grafton, WV 26354 (301) 268-6696 | jwperkins0@gmail.com mongrotto.caves.org | |
| Monroe County Cavers c/o Ed Saugstad 705 Hedrick Road Sinks Grove, WV 24976 (304) 772-4426 | suunto@yahoo.com | |
| Mountain State Grotto c/o Linda Tracy 86 Cucumber Ridge Rd Beverly, WV 26253 (304) 636-8328 | lltracy57@hotmail.com | |
| Parkersburg Area Grotto c/o David Berman 101 Snodgrass Lane Williamstown, WV 26187 (304)375-2401 | bermans@suddenlink.net | |
| TRA Grotto c/o Kelley Deem 415 Persimmon Pear Ln Harpers Ferry, WV 25425 | ||
| Tri-State Grotto c/o Bob Bennett 464 Huckleberry Dr Gerrardstown, WV 25420-4322 (304) 671-0344 | gimpycaver@comcast.net www.tristategrotto.net/ | |
| West Virginia Univ. Student Grotto c/o WVU Mountainlair P.O. Box 6044 Morgantown, WV 26506-6044 (304) 685-7537 | wvusg@speleo.us www.caves.org/grotto/wvusg/ | |
| Wisconsin | ||
| Wisconsin Speleological Society c/o Kasey Fiske S9740 Exchange Road Prairie du Sac, WI 53578 |
kasey.fiske@wisc.edu www.wisconsincaves.org/ |
|
| Great Lakes Cavers c/o Andrew Debbink 240 S Oakland Ave Burlington, WI 53105 (262) 492-3557 |
andrew.debbink@gmail.com www.greatlakescaving.com |
|
| Wyoming | ||
| Armpit Grotto c/o Carol Uhl PO Box 244 Laramie, WY 82070-0244 (307) 742-5910 | uhltide@q.com | |
| Hole-in-the-Wall Grotto c/o Robert Montgomery PO Box 2102 Casper, WY 82602 (307) 267-7311 | WYOCAVER@gmail.com | |
| Anthros Costa Rica Grotto c/o Gustavo Quesada PO Box 381-2070 Sabanilla, NA 381-2070 506-8837-1885 | www.anthros.org | |
| Balincaguin Conservancy Grotto c/o Rawen Balmaña Sitio Balasibas, Brgy. Tagudin Mabini, Pangasinan, FR 2409 +63-919-603-7354 | rawen@balincaguinconservancy.org www.facebook.com/balincaguin.conservancy | |
| PAAMUL - Gruta de c/o Liliana Viola Bahia Kantenah 27 ap B1 Puerto Aventuras, QR 77733 +529982771316 | lilianaviola@gmail.com Fb: NSS Paamul Grotto | |
Send all updates/corrections to I/O Chair Paul Winter iocommittee@caves.org.
