East Brooklyn — Rockhounding in Grundy County, Illinois

East Brooklyn is a mapped rockhounding spot in Grundy County, Illinois. Reported finds include marcasite, pyrite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Grundy County
State: Illinois
Nearest road: South Kankakee Road
Postcode: 60474
Coordinates: 41.16664, -88.24496

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 East Brooklyn

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 East Brooklyn.

Across the state line from East Brooklyn

East Brooklyn is close enough to the Illinois border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Big Pine CreekWarren County, Indiana · 70 mi awaySphalerite, Barite, Fossilized Wood

East Brooklyn FAQ

Where is East Brooklyn?+

East Brooklyn is in Grundy County, Illinois, at 41.16664, -88.24496. Nearest road: South Kankakee Road.

What rocks and minerals can you find at East Brooklyn?+

East Brooklyn is reported to produce Marcasite, Pyrite.

Is collecting allowed at East Brooklyn?+

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 East Brooklyn?+

Open the directions link to navigate to 41.16664, -88.24496 in Google Maps. The nearest road is South Kankakee Road.

More rockhounding in Illinois

See all 29 Illinois spots →

Open East Brooklyn on the map

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