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 116 reviews
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...
TripAdvisor Reviews
September 7, 2017
Jodi P
love crystal grottoes! our guide was awesome, the formations were wonderful, we had a marvelous time. they prefer guests to pay with cash and there's an ATM there. why drive 3 hours away and deal...
TripAdvisor Reviews
August 29, 2017
This is a fantastic cave, lots of really interesting formations -- and the tour guide was very knowledgeable (and humorous!. It's amazing what water can hollow out and form over 200 million years...