Cornwall — Rockhounding in Lebanon County, Pennsylvania

Cornwall is a mapped rockhounding spot in Lebanon County, Pennsylvania. Reported finds include actinolite, andradite, calcite, chlorite, diopside, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Lebanon County
State: Pennsylvania
Nearest road: Twenty-Eighth Division Highway
Postcode: 17016
Coordinates: 40.25479, -76.39783

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 Cornwall

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 Cornwall.

Across the state line from Cornwall

Cornwall 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.

Cornwall FAQ

Where is Cornwall?+

Cornwall is in Lebanon County, Pennsylvania, at 40.25479, -76.39783. Nearest road: Twenty-Eighth Division Highway.

What rocks and minerals can you find at Cornwall?+

Cornwall is reported to produce Actinolite, Andradite, Calcite, Chlorite, Diopside, Epidote, Fluorite, Grossularite Garnet, Labradorite, Magnetite, Moonstone, Prehnite, Pyrite.

Is collecting allowed at Cornwall?+

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 Cornwall?+

Open the directions link to navigate to 40.25479, -76.39783 in Google Maps. The nearest road is Twenty-Eighth Division Highway.

More rockhounding in Pennsylvania

See all 86 Pennsylvania spots →

Open Cornwall on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.