Rockhounding in Warren County, New Jersey
2 mapped rockhounding spots in Warren County. Most commonly produces magnetite, serpentine, soapstone.
Map showing 2 rockhounding spots in Warren County, New Jersey
Minerals reported in Warren County
- Magnetite1
- Serpentine1
- Soapstone1
Spots in Warren County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Oxford Furnace mining dumps | 40.7938, -75.0121 | Public | |
| PhillipsburgRiver Road |
| 40.6473, -75.1900 | Public |
Neighboring counties in New Jersey
Adjacent rockhounding counties, ranked by how close their centroids sit to Warren County. A natural extension if Warren County is already on your trip plan.
- Hunterdon County~18 mi5 spotsTop: Axinite, Datolite, Actinolite
- Somerset County~29 mi9 spotsTop: Quartz, Agate, Prehnite
- Mercer County~32 mi5 spotsTop: Calcite, Amber, Axinite
- Morris County~32 mi11 spotsTop: Pyrite, Apatite, Chalcopyrite
- Sussex County~35 mi6 spotsTop: Fluorite, Willemite, Corundum
- Passaic County~48 mi5 spotsTop: Calcite, Datolite, Goethite
Across the state line from Warren 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 New Jersey.
Warren County FAQ
Where can I rockhound in Warren County, New Jersey?+
RockHoundR tracks 2 rockhounding spots in Warren County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Warren County?+
Spots in Warren County most often produce Magnetite, Serpentine, Soapstone. Individual spots can vary widely.
Are these Warren 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 Warren County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
