Phillipsburg — Rockhounding in Warren County, New Jersey

Phillipsburg is a mapped rockhounding spot in Warren County, New Jersey. Reported finds include serpentine, soapstone. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Warren County
State: New Jersey
Nearest road: River Road
Postcode: 18042
Coordinates: 40.64726, -75.19001

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.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Phillipsburg

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Serpentine Encyclopedia →
SoapstoneEncyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Phillipsburg.

Across the state line from Phillipsburg

Phillipsburg is close enough to the New Jersey border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Phillipsburg FAQ

Where is Phillipsburg?+

Phillipsburg is in Warren County, New Jersey, at 40.64726, -75.19001. Nearest road: River Road.

What rocks and minerals can you find at Phillipsburg?+

Phillipsburg is reported to produce Serpentine, Soapstone.

Is collecting allowed at Phillipsburg?+

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 Phillipsburg?+

Open the directions link to navigate to 40.64726, -75.19001 in Google Maps. The nearest road is River Road.

More rockhounding in New Jersey

See all 68 New Jersey spots →

Open Phillipsburg on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.