COGlogo Welcome to
The Central Ohio Grotto
an internal organization of the National Speleological Society


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The Central Ohio Grotto was founded in 1952.  We have a rich tradition of cave exploration and are committed to the ideals of the NSS.

Join our Facebook group for realtime updates, meeting notices, trip planning, etc.

The Central Ohio Grotto is a group of cavers from the Columbus, Ohio area. The Central Ohio Grotto promotes fellowship among cavers and promotes the ideals of the National Speleological Society

The COG admits everyone that is interested caves and caving. You do not have to be a member to attend meetings or join us on our caving trips.

The COG has a mailing list. To subscribe, send an email to with the subject subscribe.

2016 Officers
Chairman Patrick Gibson
Vice Chairman Jamie Thompson
Treasurer Wendy Orlandi
Secretary Kay Hemmert
Newsletter Editor Stephen Wayne Clark
Past Chairman Mark Swelstad
Executive Members Brian Devine, Molly Semones

© 2016 Central Ohio Grotto
Last Updated: April 13, 2016