Rockhounding in Somerset County, New Jersey
9 mapped rockhounding spots in Somerset County. Most commonly produces quartz, agate, prehnite, albite.
Every rockhounding spot in Somerset County
Bound BrookSomerset County, New JerseyPublic access · Agate, Bornite, Calcite +8- Rock Hill QuarrySomerset County, New JerseyPublic access · Albite, Chalcocite, Chrysocolla +6
- Union CountySomerset County, New JerseyPublic access · Agate, Apophyllite, Albite +6
- Warren TownshipSomerset County, New JerseyPublic access · Banded Agate, Moss Agate, Chalcedony +6
- SomervilleSomerset County, New JerseyPublic access · Agate, Albite, Datolite +4
- HopewellSomerset County, New JerseyPublic access · Calcite, Stilbite, Prehnite +3
- 3M QuarrySomerset County, New JerseyPublic access · Quartz, Agate, Jasper
- BarnardsvilleSomerset County, New JerseyPublic access · Agate, Geode, Quartz
- KingstonSomerset County, New JerseyPublic access · Agate, Prehnite, Quartz
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
- Monmouth County~31 mi6 spotsTop: Fossil, Shark Tooth, Belemnite
- Passaic County~36 mi5 spotsTop: Calcite, Datolite, Goethite
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.
