Rockhounding in Baltimore County, Maryland
5 mapped rockhounding spots in Baltimore County. Most commonly produces garnet, quartz, copper, tourmaline.
Map showing 5 rockhounding spots in Baltimore County, Maryland
Minerals reported in Baltimore County
Spots in Baltimore County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| BaltimoreLost Pond Trail |
| 39.4258, -76.4415 | Public |
| Baltimore CountyScale House Boulevard | 39.4687, -76.6505 | Public | |
| Bare Hills mining districtYellow Trail | 39.3871, -76.6523 | Public | |
| GraniteQuarry Trail | 39.3454, -76.8637 | Public | |
| White MarshRed Trail | 39.3883, -76.4469 | Public |
Neighboring counties in Maryland
Adjacent rockhounding counties, ranked by how close their centroids sit to Baltimore County. A natural extension if Baltimore County is already on your trip plan.
- Anne Arundel County~22 mi3 spotsTop: Amber, Fossils, Pyrite
- Harford County~24 mi6 spotsTop: Garnet, Quartz, Serpentine
- Carroll County~32 mi3 spotsTop: Azurite, Bornite, Calamine
- Cecil County~35 mi3 spotsTop: Brucite, Chromite, Kammererite
- Montgomery County~37 mi4 spotsTop: Serpentine, Amphibolite, Apatite
- Frederick County~44 mi5 spotsTop: Bornite, Copper, Covellite
Across the state line from Baltimore County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Maryland.
- Lancaster County~41 miPennsylvania · 5 spotsTop: Brucite, Chromite, Dogtooth Calcite
- Adams County~48 miPennsylvania · 4 spotsTop: Chabazite, Copper, Epidote
- York County~50 miPennsylvania · 3 spotsTop: Agate, Amethyst, Andradite Garnet
- Chester County~57 miPennsylvania · 10 spotsTop: Quartz, Amethyst, Azurite
Baltimore County FAQ
Where can I rockhound in Baltimore County, Maryland?+
RockHoundR tracks 5 rockhounding spots in Baltimore County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Baltimore County?+
Spots in Baltimore County most often produce Garnet, Quartz, Copper, Tourmaline, Actinolite. Individual spots can vary widely.
Are these Baltimore County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.
Plan a Baltimore County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
