Crystal Grottoes Caverns

19821 Shepherdstown Pike, Boonsboro, MD 21713 Get Directions
Phone: 301-432-6336
Stalagtites at Crystal Grottoes Caverns
Photo Credit: Crystal Grottoes Caverns
Description
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 134 reviews
TripAdvisor Reviews
September 24, 2018
Kate G
We were looking for something to do on a rainy day near Antietam and were more than pleasantly surprised by the grotto. The tour takes about 40 minutes and the cave is intimate so you can expect to...
TripAdvisor Reviews
September 3, 2018
Jessica F
Not a bad cavern, but not the best either. This one is privately owned and has stayed in the same family since its discovery. They have a lot of lichen growing because of the lights, and they had to...
TripAdvisor Reviews
September 2, 2018
PR41799
This caverns tour is about 30 minutes long for $20 ($19 if you have the coupon you can pick up from those brochure kiosks). Our guide was Ralph, very upbeat, humorous, and very knowledgeable. The...