A loosely knit group
of cavers in Bloomington area. Bloomington Indiana Grotto is a chapter of the National Speleological Society
which supports exploration, research and conservation related to caves.
Meetings are at 7:30pm the second Thursday of every month at the Geology Building on the campus of Indiana University in Bloomington, Indiana, Room 143 or 126
Contact us for more information at big@caves.org