About Monocacy

Monocacy was a village in Frederick County, Maryland that was located along an old Indian trail known as the Monocacy Trail that ran parallel to the Monocacy River. The trail was known as the Great Wagon Road by colonial travelers; it went to Philadelphia, Pennsylvania and later was renamed Monocacy Road.
From Wikipedia, "Monocacy, Maryland", CC BY-SA 4.0.

This is a site record: what public sources say about Monocacy, gathered in one place. We haven't written a full guide yet, so history, current access and photos are still to come. Treat the status as unknown until a guide confirms it.

Sources

Wikipedia, "Monocacy, Maryland": coordinates and summary.
Wikidata Q18155607.