Rockhounding in Somerset County, New Jersey
9 mapped rockhounding spots in Somerset County. Most commonly produces quartz, agate, prehnite, albite.
Map showing 9 rockhounding spots in Somerset County, New Jersey
Spots in Somerset County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| 3M QuarryRidge Trail | 40.4583, -74.7135 | Public | |
| BarnardsvilleOld Quarry Road | 40.7095, -74.5740 | Public | |
| Bound BrookFire Road | 40.5890, -74.5678 | Public | |
| HopewellLong Hill Road | 40.4578, -74.7207 | Public | |
| KingstonGeorgetown-Franklin Turnpike | 40.3971, -74.6095 | Public | |
| Rock Hill QuarryGeorgetown-Franklin Turnpike | 40.3969, -74.6168 | Public | |
| SomervilleChimney Rock Road | 40.5847, -74.5672 | Public | |
| Union CountyValley Road | 40.6602, -74.4091 | Public | |
| Warren TownshipRed Hill Road | 40.6298, -74.5312 | Public |
Neighboring counties in New Jersey
Adjacent rockhounding counties, ranked by how close their centroids sit to Somerset County. A natural extension if Somerset County is already on your trip plan.
- Mercer County~21 mi5 spotsTop: Calcite, Amber, Axinite
- Hunterdon County~22 mi5 spotsTop: Axinite, Datolite, Actinolite
- Morris County~24 mi11 spotsTop: Pyrite, Apatite, Chalcopyrite
- Hudson County~30 mi4 spotsTop: Amethyst, Common Opal, Fire Opal
- Passaic County~36 mi5 spotsTop: Calcite, Datolite, Goethite
- Sussex County~37 mi6 spotsTop: Fluorite, Willemite, Corundum
Across the state line from Somerset 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.
- Bucks County~31 miPennsylvania · 6 spotsTop: Petrified Wood, Jasper, Agate
- Monroe County~45 miPennsylvania · 3 spotsTop: Quartz, Agatized Coral, Azurite
- Orange County~59 miNew York · 5 spotsTop: Bloodstone, Arsenopyrite, Blue Corundum
- Delaware County~61 miPennsylvania · 8 spotsTop: Quartz, Amethyst, Feldspar
Somerset County FAQ
Where can I rockhound in Somerset County, New Jersey?+
RockHoundR tracks 9 rockhounding spots in Somerset County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Somerset County?+
Spots in Somerset County most often produce Quartz, Agate, Prehnite, Albite, Copper. Individual spots can vary widely.
Are these Somerset 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 Somerset County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
