
Grotto Meetings
Second Thursday of every month- 7:30 PM ET
Upcoming Meetings:
December 11th, 2025 @ 7:30 PM EDT
In-Person @ the Baus House + Zoom
Short meeting, Grotto Raffle Fundraiser, $20 Gift Exchange, Holiday Party & Potluck
January 13th, 2025 @ 7:30 PM EDT
In-Person @ the Baus House + Zoom
Presentation: TBD
February 10th, 2025 @ 7:30 PM EDT
In-Person @ the Baus House + Zoom
Presentation: TBD
Meeting Locations: Stay tuned on Facebook and Grotto emails for meeting details as we confirm Zoom Link and/or In-Person options each month. In-person meetings are in the Bloomington area and outside locations are weather dependent. If you’d like to attend but aren’t sure how to find us, send an email ahead of the meeting and we can provide directions. All members and non-members are welcome!
Contact us for more details or join the Bloomington Indiana Grotto Google group for periodic email updates! You can also find us on Facebook!
BloomingtonIndianaGrotto@gmail.com
Check out the National Speleological Society’s website http://www.caves.org for more resources and information about safe and conscientious caving practices.
Become a BIG Member. Support Caves, Caving, and Cavers!

Check out the MEMBERSHIP page for details on how to join the grotto. Non-Members, prospective members, and visitors are welcome at all grotto meetings! You don’t have to be a BIG member to participate in monthly caving trips but priority will go to paid members in the event of a full sign-up list.
BIG Quarterly Newsletter
The BIG Newsletter is a perk of paid membership! Feel free to submit your cave trip stories, photos, etc. to the BIG Editor’s email listed HERE