Crystal Grottoes Caverns

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Join us on April 26th at 10:00 a.m., when we explore the Crystal Grottoes Caverns, Maryland’s only public showcave. About an hour’s drive from Poolesville, it is located just outside of Boonsboro, MD, on State Rt. 34 in Washington County, just 6 miles from Antietam Battlefield and 18 miles from Harper’s Ferry. These caverns have more formations per square foot than any cave known to man.  

The tour runs approximately thirty minutes, during which you will walk about a quarter mile through the Cavern’s passages and rooms. The tour is not handicapped accessible. The walk is mostly level, there are two staircases, under 20 ft. in length, with handrails.  (The Caverns passageways can become rather tight and winding and cannot accommodate mobility devices.) 

With ceilings ranging from 6’- 40’, most passages are lined or covered by formations, delicate drape-like stalactites and stalagmites, bacon rinds, and stout columns predominate. The colors are generally pure white or buff with occasional deeper tints. The passages forming Fairyland are studded with stalactites and stalagmites of a delicate light blue hue. The Golden Lake is a small pool fed by water dripping from the ceiling.  

If you would like to carpool for this trip, please meet at Our Lady of the Presentation Church (17220 Tom Fox Avenue, Poolesville, MD).  We will meet to carpool at 8:30 a.m.  Please meet and park in the back right hand corner (as you enter the lot).

There is an entrance fee of $18 per person (group rate) which needs to be paid when you register on the form below.  

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