Crystal Grottoes Caverns

19821 Shepherdstown Pike, Rt 34, Boonsboro, MD 21713 Get Directions
Phone: 301-432-6336
Stalagtites at Crystal Grottoes Caverns
Maryland's only commercial underground caverns. Spectacular tour through brilliantly lit chambers takes 30 minutes.



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TripAdvisor® Traveler Reviews

TripAdvisor Reviews
TripAdvisor Traveler Rating Based on 118 reviews
TripAdvisor Reviews
May 16, 2018
Lisa G
Stopped here to get out of the rain. Gorgeous caverns and formations but the guide was definitely in speed mode. If she had slowed it down a bit, it would have been perfect.
TripAdvisor Reviews
April 30, 2018
The guide was fairly new but still knowledgeable. The history was interesting. If you are claustrophobic it may not be for you. It gets pretty narrow down in there at times. But it was still a cool...
TripAdvisor Reviews
December 17, 2017
Scott M
Crystal Grottoes Caverns is listed as the #1 Thing To Do in Boonsboro for a reason. Cheryl, my wife, and I were celebrating our 38th anniversary with a stay at Inn Boonsboro (reviewed in a separate...