Prospect Park: Kyanite Blades & Feldspar Rockhounding in Delaware County, Pennsylvania

Updated June 2026

Prospect Park is a mapped rockhounding spot in Delaware County, Pennsylvania. Reported finds include kyanite blades, feldspar. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Delaware County
State: Pennsylvania
Nearest road: Wanamaker Avenue
Postcode: 19076
Coordinates: 39.87737, -75.30588

Geology at Prospect Park

This spot sits on Trenton Gravel, mapped as sand and clay that formed within roughly the last 3 million years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: Trenton Gravel
Age: 3 Ma to present (Pleistocene)
Rock types: sand and clay
Elevation: 40 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 Prospect Park

Best months: March to December. Typical highs run 88°F in midsummer and 41°F in midwinter, with winter lows near 26°F.

Climate normals: NOAA 1991-2020 monthlies, PHILA INTL AP station (4 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 Prospect Park

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 Prospect Park.

Across the state line from Prospect Park

Prospect Park 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.

Prospect Park FAQ

Where is Prospect Park?+

Prospect Park is in Delaware County, Pennsylvania, at 39.87737, -75.30588. Nearest road: Wanamaker Avenue.

What rocks and minerals can you find at Prospect Park?+

Prospect Park is reported to produce Kyanite Blades, Feldspar.

Is collecting allowed at Prospect Park?+

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 Prospect Park?+

A rock hammer, a pry bar, gloves, and safety glasses suit pegmatite ground. Work weathered zones and check dump piles; coarse crystals often sit in decomposed rock.

When is the best time to visit Prospect Park?+

The most comfortable months at Prospect Park are March to December.

How do I get to Prospect Park?+

Open the directions link to navigate to 39.87737, -75.30588 in Google Maps. The nearest road is Wanamaker Avenue.

More rockhounding in Pennsylvania

See all 88 Pennsylvania spots →

Open Prospect Park on the map

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