Best spot

Chester Creek: Amethyst & Smoky Quartz Rockhounding in Delaware County, Pennsylvania

Updated July 2026

Chester Creek cuts through the same amethyst- and quartz-bearing Piedmont crystalline belt, and its gravels carry amethyst and smoky quartz weathered out of local veins and pegmatites. It offers easy, low-impact surface collecting close to the Philadelphia metro. A dependable creek spot for quartz-family material. Reported finds include amethyst, smoky quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.

Chester Creek photos

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

1 photo

Chester Creek with rock ledges along its banks at Upland, Delaware County, Pennsylvania

Quick details

Access: Public area
County: Delaware County
State: Pennsylvania
Nearest road: East Peters Lane
Postcode: 19017
Coordinates: 39.87367, -75.46055

Geology at Chester Creek

This spot sits on "Glenarm Wissahickon" formation, mapped as mica schist that formed roughly 540 to 250 million years ago. Metamorphic terrain like this typically carries quartz veins and sweats, and weathered crystals tend to end up in the soils and streams below.

Mapped unit: "Glenarm Wissahickon" formation
Age: 540–250 Ma (Paleozoic)
Rock types: mica schist
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 Chester Creek

Best months: February to December. Typical highs run 88°F in midsummer and 42°F in midwinter, with winter lows near 26°F.

Climate normals: NOAA 1991-2020 monthlies, MARCUS HOOK station (4 mi away), adjusted for elevation.

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 Chester Creek

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 Chester Creek.

Across the state line from Chester Creek

Chester Creek 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.

Chester Creek FAQ

Where is Chester Creek?+

Chester Creek is in Delaware County, Pennsylvania, at 39.87367, -75.46055. Nearest road: East Peters Lane.

What rocks and minerals can you find at Chester Creek?+

Chester Creek is reported to produce Amethyst, Smoky Quartz.

Is collecting allowed at Chester Creek?+

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 Chester Creek?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Chester Creek?+

The most comfortable months at Chester Creek are February to December.

How do I get to Chester Creek?+

Open the directions link to navigate to 39.87367, -75.46055 in Google Maps. The nearest road is East Peters Lane.

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