Best spot

Reading: Jasper Rockhounding in Berks County, Pennsylvania

Updated July 2026

The Reading area of Berks County is the heart of Pennsylvania's historic jasper country, where prehistoric quarries supplied toolstone for thousands of years. Rich red and brown jasper still weathers out of the local ridges. Its combination of quality lapidary material and deep archaeological history makes it a distinctive locality. Reported finds include jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Reading photos

Public image records connected to this spot or its reported material.

1 photo

A wooded trail in Nolde Forest, Cumru Township near Reading, Berks County, Pennsylvania

Quick details

Access: Public area
County: Berks County
State: Pennsylvania
Nearest road: Philadelphia Avenue
Postcode: 19607
Coordinates: 40.29978, -75.91643

Geology at Reading

This spot sits on Diabase, mapped as basalt that formed roughly 200 to 145 million years ago. Volcanic ground like this is where agate, jasper, and other chalcedony typically form, filling old gas pockets and fracture seams in the flow rock.

Mapped unit: Diabase
Age: 200–145 Ma (Jurassic)
Rock types: basalt
Elevation: 210 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Reading

Best months: March to November. Typical highs run 87°F in midsummer and 39°F in midwinter, with winter lows near 23°F.

Climate normals: NOAA 1991-2020 monthlies, READING RGNL AP station (6 mi away).

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 Reading

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Jasper Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Reading.

Across the state line from Reading

Reading 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.

Reading FAQ

Where is Reading?+

Reading is in Berks County, Pennsylvania, at 40.29978, -75.91643. Nearest road: Philadelphia Avenue.

What rocks and minerals can you find at Reading?+

Reading is reported to produce Jasper.

Is collecting allowed at Reading?+

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.

What tools should I bring to Reading?+

Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.

When is the best time to visit Reading?+

The most comfortable months at Reading are March to November.

How do I get to Reading?+

Open the directions link to navigate to 40.29978, -75.91643 in Google Maps. The nearest road is Philadelphia Avenue.

More rockhounding in Pennsylvania

See all 88 Pennsylvania spots →

Open Reading on the map

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