Near Brandywine Springs State Park — Rockhounding in New Castle County, Delaware

Near Brandywine Springs State Park is a mapped rockhounding spot in New Castle County, Delaware. Reported finds include sillimanite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: New Castle County
State: Delaware
Nearest road: Thompsons Bridge Road
Postcode: 19803
Coordinates: 39.80872, -75.57681

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 Near Brandywine Springs State Park

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

Sillimanite Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Near Brandywine Springs State Park.

Across the state line from Near Brandywine Springs State Park

Near Brandywine Springs State Park is close enough to the Delaware border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Near Brandywine Springs State Park FAQ

Where is Near Brandywine Springs State Park?+

Near Brandywine Springs State Park is in New Castle County, Delaware, at 39.80872, -75.57681. Nearest road: Thompsons Bridge Road.

What rocks and minerals can you find at Near Brandywine Springs State Park?+

Near Brandywine Springs State Park is reported to produce Sillimanite.

Is collecting allowed at Near Brandywine Springs State 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.

How do I get to Near Brandywine Springs State Park?+

Open the directions link to navigate to 39.80872, -75.57681 in Google Maps. The nearest road is Thompsons Bridge Road.

More rockhounding in Delaware

See all 10 Delaware spots →

Open Near Brandywine Springs State Park on the map

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