Dubuque — Rockhounding in Dubuque County, Iowa

Dubuque is a mapped rockhounding spot in Dubuque County, Iowa. Reported finds include lake superior agate, moss agate, oolitic agates, moonstone, jasper, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Dubuque County
State: Iowa
Nearest road: Riverside Road
Postcode: 52001
Coordinates: 42.57616, -90.68239

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 Dubuque

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 Dubuque.

Across the state line from Dubuque

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

Dubuque FAQ

Where is Dubuque?+

Dubuque is in Dubuque County, Iowa, at 42.57616, -90.68239. Nearest road: Riverside Road.

What rocks and minerals can you find at Dubuque?+

Dubuque is reported to produce Lake Superior Agate, Moss Agate, Oolitic Agates, Moonstone, Jasper, Petrified Wood, Fossils.

Is collecting allowed at Dubuque?+

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 Dubuque?+

Open the directions link to navigate to 42.57616, -90.68239 in Google Maps. The nearest road is Riverside Road.

More rockhounding in Iowa

See all 49 Iowa spots →

Open Dubuque on the map

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