Rockhounding in Baltimore County, Maryland
5 mapped rockhounding spots in Baltimore County. Most commonly produces garnet, quartz, copper, tourmaline.
Every rockhounding spot in Baltimore County
Bare Hills mining districtBaltimore County, MarylandPublic access · Actinolite, Malachite, Epidote +8- Baltimore CountyBaltimore County, MarylandPublic access · Copper, Quartz, Garnet +4
- GraniteBaltimore County, MarylandPublic access · Quartz, Garnet, Tourmaline +1
BaltimoreBaltimore County, MarylandPermission required · Silicified Cycad Wood- White MarshBaltimore County, MarylandPublic access · Amethyst
Minerals reported in Baltimore County
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, Fossil, 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
- Loudoun County~54 miVirginia · 1 spotTop: Calcite, Datolite, Diopside
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.
