Rockhounding in Harford County, Maryland
6 mapped rockhounding spots in Harford County. Most commonly produces garnet, quartz, serpentine, chromite.
Map showing 6 rockhounding spots in Harford County, Maryland
Minerals reported in Harford County
- Garnet3
- Quartz3
- Serpentine3
- Chromite2
- Actinolite1
- Bronzite1
- Brucite1
- Chrysotile1
Spots in Harford County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| CardiffQuarry Road |
| 39.7096, -76.3342 | Public |
| CastletonMason-Dixon Trail | 39.6851, -76.2183 | Public | |
| Chrome HillRocks Road | 39.6278, -76.4093 | Public | |
| FlintvilleFlintville Road | 39.7049, -76.2485 | Public | |
| Flintville (moss agate area)Shotgun Range Trail | 39.6973, -76.2613 | Public | |
| Reed Mine & Walkens MineWest Jarrettsville Road |
| 39.6119, -76.4572 | Public |
Neighboring counties in Maryland
Adjacent rockhounding counties, ranked by how close their centroids sit to Harford County. A natural extension if Harford County is already on your trip plan.
- Cecil County~14 mi3 spotsTop: Brucite, Chromite, Kammererite
- Baltimore County~24 mi5 spotsTop: Garnet, Quartz, Copper
- Anne Arundel County~42 mi3 spotsTop: Amber, Fossils, Pyrite
- Carroll County~46 mi3 spotsTop: Azurite, Bornite, Calamine
- Montgomery County~60 mi4 spotsTop: Serpentine, Amphibolite, Apatite
- Frederick County~61 mi5 spotsTop: Bornite, Copper, Covellite
Across the state line from Harford 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~19 miPennsylvania · 5 spotsTop: Brucite, Chromite, Dogtooth Calcite
- Chester County~34 miPennsylvania · 10 spotsTop: Quartz, Amethyst, Azurite
- New Castle County~39 miDelaware · 3 spotsTop: Sillimanite, Fossils
- York County~41 miPennsylvania · 3 spotsTop: Agate, Amethyst, Andradite Garnet
Harford County FAQ
Where can I rockhound in Harford County, Maryland?+
RockHoundR tracks 6 rockhounding spots in Harford County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Harford County?+
Spots in Harford County most often produce Garnet, Quartz, Serpentine, Chromite, Actinolite. Individual spots can vary widely.
Are these Harford 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 Harford County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
