The Bloomington Indiana Grotto was founded in 1958 and is a local chapter of the National Speleological Society. We have a wealth of specialized experience related to exploring and studying caves safely and conscientiously and are here to serve as a resource for those eager to learn more! The BIG is a community for members who wish to network with others interested in caving since it can be very unsafe to go underground alone and unprepared. We work to provide mentoring and education about techniques and equipment, safe caving practices, cave science, and good conservation ethics.
All caving trips hosted by the BIG are organized by volunteers. The BIG does not rent equipment or provide ‘tours’, but rather functions as a meeting hub for people interested in cave-related endeavors.
Meetings are held on the 2nd Thursday of each month at 7:30 pm EDT. All are welcome regardless of experience level or background!
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“Take Nothing but Pictures, Leave Nothing but Footprints, Kill Nothing but Time.”
8070 W. Eller Road Bloomington, IN 47403
Meetings are the second Thursday of each month at 7:30 pm EDT and are typically held at the Richard Blenz Nature Preserve (weather depending) with a Zoom option. Check the website or contact the grotto for specific details. All are welcome.