Pennington Mountain — Rockhounding in Mercer County, New Jersey

Pennington Mountain is a mapped rockhounding spot in Mercer County, New Jersey. Reported finds include calcite, celadonite, epidote. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Pennington Mountain in Mercer County, New Jersey

Quick details

Access
Public area
Nearest road
Woodsville Road
Postcode
08525

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 Pennington Mountain

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

Nearby rockhounding spots

Other rockhounding spots within driving distance of Pennington Mountain.

Pennington Mountain FAQ

Where is Pennington Mountain?+
Pennington Mountain is in Mercer County, New Jersey, at 40.36165, -74.80631. Nearest road: Woodsville Road.
What rocks and minerals can you find at Pennington Mountain?+
Pennington Mountain is reported to produce Calcite, Celadonite, Epidote.
Is collecting allowed at Pennington Mountain?+
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 Pennington Mountain?+
Open the directions link to navigate to 40.36165, -74.80631 in Google Maps. The nearest road is Woodsville Road.

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