Rockhounding in Cumberland County, Pennsylvania

5 mapped rockhounding spots in Cumberland County. Most commonly produces quartz, agate nodules, amethyst, banded agate.

Cumberland County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

Yellow Breeches Creek at Boiling Springs, near Carlisle, Cumberland County, Pennsylvania — CarlisleCumberland County, Pennsylvania

Minerals reported in Cumberland County

Standout in Cumberland County

Hand-picked spot in Cumberland County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Carlisle
Public
Cumberland County
The Carlisle area of Cumberland County is known for banded agate, jasper, amethyst and quartz weathering out of the local carbonate and diabase terrain. The banded agate in particular draws collectors looking for lapidary-grade material. It is one of the better-known agate localities in south-central Pennsylvania.
Banded Agate, Quartz, Jasper, Amethyst

Spots in Cumberland County

Spot	Minerals	Coordinates	Access
CarlisleShatto Drive	Banded Agate Quartz Jasper Amethyst	40.2203, -77.2154	Public
Little Rocky RidgeKettle Sale Haul Road	Hematite Quartz	40.0335, -77.3257	Public
Mt. Holly SpringsCold Springs Road	Agate Nodules	40.1091, -77.2391	Public
White RocksKuhn Road	Cryptomelane Goethite Fluorite Quartz Tourmaline Zircon	40.1327, -77.0887	Public
Yellow Breeches CreekMain Street	Potomac Marble	40.1706, -76.9107	Public

Neighboring counties in Pennsylvania

Adjacent rockhounding counties, ranked by how close their centroids sit to Cumberland County. A natural extension if Cumberland County is already on your trip plan.

Across the state line from Cumberland County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Pennsylvania.

Cumberland County FAQ

Where can I rockhound in Cumberland County, Pennsylvania?+

RockHoundR tracks 5 rockhounding spots in Cumberland County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Cumberland County?+

Spots in Cumberland County most often produce Quartz, Agate Nodules, Amethyst, Banded Agate, Cryptomelane. Individual spots can vary widely.

Are these Cumberland County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Cumberland County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.