Platteville — Rockhounding in Grant County, Wisconsin

Platteville is a mapped rockhounding spot in Grant County, Wisconsin. Reported finds include barite, calcite, galena, marcasite, pyrite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Grant County
State: Wisconsin
Nearest road: West Main Street
Postcode: 53818
Coordinates: 42.73456, -90.48031

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 Platteville

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 Platteville.

Across the state line from Platteville

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

Platteville FAQ

Where is Platteville?+

Platteville is in Grant County, Wisconsin, at 42.73456, -90.48031. Nearest road: West Main Street.

What rocks and minerals can you find at Platteville?+

Platteville is reported to produce Barite, Calcite, Galena, Marcasite, Pyrite, Smithsonite, Sphalerite.

Is collecting allowed at Platteville?+

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 Platteville?+

Open the directions link to navigate to 42.73456, -90.48031 in Google Maps. The nearest road is West Main Street.

More rockhounding in Wisconsin

See all 64 Wisconsin spots →

Open Platteville on the map

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