Mt. Gilboa — Rockhounding in Hunterdon County, New Jersey
Mt. Gilboa is a mapped rockhounding spot in Hunterdon County, New Jersey. Reported finds include axinite, prehnite, epidote, datolite, tourmaline, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Mt. Gilboa in Hunterdon County, New Jersey
Quick details
- Access
- Public area
- County
- Hunterdon County
- State
- New Jersey
- Nearest road
- Daniel Bray Highway
- Postcode
- 08530
- Coordinates
- 40.38978, -74.95619
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 Mt. Gilboa
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Mt. Gilboa.
- Lambertville QuarryHunterdon County, New Jersey · 0 mi awayAxinite, Datolite
- Goat HillHunterdon County, New Jersey · 3 mi awayPectolite, Stilpnomelane
- Belle MountainMercer County, New Jersey · 4 mi awayMalachite, Cuprite, Hornfels
- LambertvilleMercer County, New Jersey · 5 mi awayAxinite, Tourmaline
- Washington Crossing State ParkMercer County, New Jersey · 7 mi awayBlack Jasper
- Pennington MountainMercer County, New Jersey · 8 mi awayCalcite, Celadonite, Epidote
- HopewellSomerset County, New Jersey · 13 mi awayCalcite, Stilbite, Prehnite
- 3M QuarrySomerset County, New Jersey · 14 mi awayQuartz, Agate, Jasper
Across the state line from Mt. Gilboa
Mt. Gilboa 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.
- NewtownBucks County, Pennsylvania · 10 mi awayJasper, Petrified Wood
- Bucks CountyBucks County, Pennsylvania · 12 mi awayPetrified Wood
- Maple GlenBucks County, Pennsylvania · 13 mi awayPetrified Wood
- EurekaBucks County, Pennsylvania · 15 mi awaySmoky Quartz
- MorrisvilleBucks County, Pennsylvania · 15 mi awayJasper
- FeastervilleBucks County, Pennsylvania · 16 mi awaySunstone, Agate, Feldspar
