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
- County
- Mercer County
- State
- New Jersey
- Nearest road
- Woodsville Road
- Postcode
- 08525
- Coordinates
- 40.36165, -74.80631
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.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Pennington Mountain.
- Washington Crossing State ParkMercer County · 5 mi awayBlack Jasper
- LambertvilleMercer County · 6 mi awayAxinite, Tourmaline
- Belle MountainMercer County · 6 mi awayMalachite, Cuprite, Hornfels
- Goat HillHunterdon County · 7 mi awayPectolite, Stilpnomelane
- HopewellSomerset County · 8 mi awayCalcite, Stilbite, Prehnite
- Mt. GilboaHunterdon County · 8 mi awayAxinite, Prehnite, Epidote
- 3M QuarrySomerset County · 8 mi awayQuartz, Agate, Jasper
- Lambertville QuarryHunterdon County · 8 mi awayAxinite, Datolite
