Rockhounding in Howard County, Maryland
2 mapped rockhounding spots in Howard County. Most commonly produces marble, quartz.
Map showing 2 rockhounding spots in Howard County, Maryland
Minerals reported in Howard County
- Marble1
- Quartz1
Spots in Howard County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| ClarksvilleSouth Wind Trail |
| 39.2007, -76.9132 | Public |
| MarriottsvilleMarriottsville Road | 39.3488, -76.8997 | Public |
Neighboring counties in Maryland
Adjacent rockhounding counties, ranked by how close their centroids sit to Howard County. A natural extension if Howard County is already on your trip plan.
- Baltimore County~18 mi5 spotsTop: Garnet, Quartz, Copper
- Montgomery County~19 mi4 spotsTop: Serpentine, Amphibolite, Apatite
- Anne Arundel County~23 mi3 spotsTop: Amber, Fossils, Pyrite
- Carroll County~24 mi3 spotsTop: Azurite, Bornite, Calamine
- Frederick County~31 mi5 spotsTop: Bornite, Copper, Covellite
- Harford County~42 mi6 spotsTop: Garnet, Quartz, Serpentine
Across the state line from Howard 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.
- Adams County~44 miPennsylvania · 4 spotsTop: Chabazite, Copper, Epidote
- Lancaster County~57 miPennsylvania · 5 spotsTop: Brucite, Chromite, Dogtooth Calcite
- York County~58 miPennsylvania · 3 spotsTop: Agate, Amethyst, Andradite Garnet
- Cumberland County~61 miPennsylvania · 5 spotsTop: Quartz, Agate Nodules, Amethyst
Howard County FAQ
Where can I rockhound in Howard County, Maryland?+
RockHoundR tracks 2 rockhounding spots in Howard County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Howard County?+
Spots in Howard County most often produce Marble, Quartz. Individual spots can vary widely.
Are these Howard 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.
