100 votes

Crystal Grottoes Cavern

19821 Shepherdstown Pike, Boonsboro, Maryland 21713 USA

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“tour through brilliantly lighted chambers”

A forty-minute guided tour through brilliantly lighted chambers features the history, formations and geological aspects of the caverns.The Crystal Grottoes Caverns were founded in 1920 when the State Roads Commission was quarrying for limestone to build up and pave State Route 34. After successfully quarrying back a cliff that was 35 to 55 feet high and 150 feet deep, an unusual event occurred. The next time they started to drill, they lost their drill bits in the cave. Later, when dynamite was detonated in the drill holes, the first entrance was produced.

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Reviewed by

  • 1 Review
  • 3 Helpful
June 05, 2016
Rated 4.0

A nice stop on our trip route home to stretch our legs and experience some natural beauty! The guide was very knowledgable about the formations and we learned a lot about caves and enjoyed the cool underground temperature for the 30 minute tour.

3 people found this review helpful

Reviewed by

  • 2 Reviews
  • 2 Helpful
July 15, 2018

Great Grotto! The site captured the history and imagination. The host and guide were exceptionally personable- we felt instantly welcome and left educated on the marvelous story of a farmer tuned unexpected miner. This is truly a marvelous story of an everyday hardworking family preserving a piece of nature that easily could’ve gone missing, yet they share it. Sure, there’s a small fee to visit but we weren’t disappointed. The site is easy to find from the highway , well marked. The ample parking is a well maintained gravel driveway with a number of well placed picnic tables with nearby meandering creek. You are greeted in a well maintained stone construction information center that begins your tour into a welcome cool grotto experience. We’ve been to many grottoes from Virginia, South Africa to Australia- this comfortably competes is size and marvel. Consider visiting with able bodied adults that can appreciate both the natural creation and all its wonders.

2 people found this review helpful

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Crystal Grottoes Cavern

19821 Shepherdstown Pike
Boonsboro, Maryland
21713 USA

Hours not available

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  • Parking
  • Pets Allowed
  • Restrooms
  • Wifi
  • Wheelchair Accessible
  • Credit Cards Accepted
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