Devil’s Marbleyard includes a steep incline for most of the trip, but is well worth the time. The trail is not marked well, but you can follow the blue blazes until the end of the Belfast Trail. Then continue to follow the trail.
The hike itself is not that long, about 45 minutes, but you will definitely want to plan time to stay at the marbleyard and explore.
Devil’s Marbleyard is a boulder field, with many rocks that are the size of a car. The Antietam Quartzite found at the site is the result of a rise in sea level relative to the land that occurred over 500 million years ago. The boulders have tube-like structures running along them that are believed to be fossilized cavities where worm-like creatures lived.
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