Marlboroville — Rockhounding in Montgomery County, Pennsylvania
Marlboroville is a mapped rockhounding spot in Montgomery County, Pennsylvania. Reported finds include red jasper, brown jasper, yellow jasper, sapphire. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Marlboroville in Montgomery County, Pennsylvania
Quick details
- Access
- Public area
- County
- Montgomery County
- State
- Pennsylvania
- Nearest road
- North Dietz Mill Road
- Postcode
- 18971
- Coordinates
- 40.34796, -75.41087
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 Marlboroville
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- Red JasperEncyclopedia →
- Brown JasperEncyclopedia →
- Yellow JasperEncyclopedia →
- SapphireEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Marlboroville.
- MacungieLehigh County, Pennsylvania · 12 mi awayBlue Corundum, Sapphire
- BoyerstownBerks County, Pennsylvania · 13 mi awayMagnetite
- EurekaBucks County, Pennsylvania · 13 mi awaySmoky Quartz
- Bucks CountyBucks County, Pennsylvania · 16 mi awayPetrified Wood
- AllentownLehigh County, Pennsylvania · 17 mi awayJasper, Chert
- BridgeportMontgomery County, Pennsylvania · 18 mi awayCalcite, Chalcedony, Dolomite
- Brookdale MineChester County, Pennsylvania · 18 mi awayQuartz, Pyromorphite, Azurite
- Maple GlenBucks County, Pennsylvania · 18 mi awayPetrified Wood
Across the state line from Marlboroville
Marlboroville is close enough to the Pennsylvania border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- RiegelsvilleHunterdon County, New Jersey · 21 mi awayJasper, Quartz
- PhillipsburgWarren County, New Jersey · 24 mi awaySerpentine, Soapstone
- Lambertville QuarryHunterdon County, New Jersey · 24 mi awayAxinite, Datolite
- Mt. GilboaHunterdon County, New Jersey · 24 mi awayAxinite, Prehnite, Epidote
- Goat HillHunterdon County, New Jersey · 25 mi awayPectolite, Stilpnomelane
- Belle MountainMercer County, New Jersey · 26 mi awayMalachite, Cuprite, Hornfels
