Member
In 2025 the OBG donated over $9,000 to caving organizations and scholarships.
Daniel Silberstein
I’m a professional paramedic with additional wilderness training/credentialing, as well as a professional geologist (in a past life…). I’ve caught the caving bug and am thoroughly hooked now.
2 Trip Reports submitted to OBG.
Featured Grotto Member
August 2025
Grottos & Organizations
Out of BoundsBaltimore Grotto
