Crystal Grottoes Caverns

19821 Shepherdstown Pike, Boonsboro, MD 21713 Get Directions 
Phone: 301-432-6336


Western Maryland
Stalagtites at Crystal Grottoes Caverns
Photo Credit: Crystal Grottoes Caverns
Maryland's only commercial underground caverns. Spectacular tour through brilliantly lit chambers takes 30 minutes.
Apr-Oct: Daily, 10am-5pm; Nov-Apr: Sat-Sun, 11am-4pm.



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TripAdvisor Reviews
TripAdvisor Traveler Rating Based on 145 reviews
TripAdvisor Reviews
June 11, 2019
Kait D
My BF and I were in town during a rainy day and stopped in. Bob was an amazing tour guide and educated us on so much history and geology. I would highly recommend checking them out! An absolutely...
TripAdvisor Reviews
May 7, 2019
Taylor B
Located on State Highway 34 between Boonsboro, Maryland, and Antietam National Battlefield in Sharpsburg, Maryland, the Crystal Grottoes Caverns is the only show cave in Maryland. Discovered in 1920...
TripAdvisor Reviews
April 21, 2019
David H
Was a slow, rainy Friday afternoon, so we were fortunate to get a personal tour as there were no other visitors at this time. Guide was knowledgeable. Price was a little on the high end, but fair...