38 mapped spots across 12 counties. Maryland produces a wide range of rockhounding-grade material — see the full list of spots, minerals, and access notes below.
Map showing 38 rockhounding spots in Maryland
Counts reflect how many spots in this list mention each mineral.
Day-trip range. Each section lists the closest mapped rockhounding spots within about 150 miles of the city — most are inside a 2 to 3 hour drive.
6 closest spots to Baltimore, MD.
Geology rarely respects state borders. These states share mapped rockhounding country with Maryland — useful when Maryland is the start, not the whole trip. Each card links to the closest county across the line.
County pages are linked once we have at least 3 mapped spots for a focused guide with coordinates, mineral notes, and nearby spots.
Sorted by county. Tap coordinates to open in Google Maps, or open RockHoundR for the full map view with land overlays and weather.
Open the RockHoundR app to see Maryland on a real map with public land overlays, weather, geology, and your saved finds.
