Union County — Rockhounding in Somerset County, New Jersey

Union County is a mapped rockhounding spot in Somerset County, New Jersey. Reported finds include agate, apophyllite, albite, bornite, chalcedony, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Somerset County
State: New Jersey
Nearest road: Valley Road
Postcode: 07069
Coordinates: 40.66022, -74.40913

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Found at Union County

Each chip links to all spots in the U.S. that produce that material.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Union County.

Union County FAQ

Where is Union County?+

Union County is in Somerset County, New Jersey, at 40.66022, -74.40913. Nearest road: Valley Road.

What rocks and minerals can you find at Union County?+

Union County is reported to produce Agate, Apophyllite, Albite, Bornite, Chalcedony, Datolite, Galena, Hematite, Opal.

Is collecting allowed at Union County?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

How do I get to Union County?+

Open the directions link to navigate to 40.66022, -74.40913 in Google Maps. The nearest road is Valley Road.

More rockhounding in New Jersey

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Open Union County on the map

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