Hamilton — Rockhounding in Hancock County, Illinois

Hamilton is a mapped rockhounding spot in Hancock County, Illinois. Reported finds include agate, jasper, geode. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Hancock County
State: Illinois
Nearest road: South 9th Street
Postcode: 62341
Coordinates: 40.38723, -91.34623

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 Hamilton

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 Hamilton.

Across the state line from Hamilton

Hamilton 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.

Hamilton FAQ

Where is Hamilton?+

Hamilton is in Hancock County, Illinois, at 40.38723, -91.34623. Nearest road: South 9th Street.

What rocks and minerals can you find at Hamilton?+

Hamilton is reported to produce Agate, Jasper, Geode.

Is collecting allowed at Hamilton?+

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 Hamilton?+

Open the directions link to navigate to 40.38723, -91.34623 in Google Maps. The nearest road is South 9th Street.

More rockhounding in Illinois

See all 29 Illinois spots →

Open Hamilton on the map

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