Rockhounding in Dubuque County, Iowa
1 mapped rockhounding spot in Dubuque County. Most commonly produces fossils, jasper, lake superior agate, moonstone.
Map showing 1 rockhounding spot in Dubuque County, Iowa
Minerals reported in Dubuque County
Spots in Dubuque County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| DubuqueRiverside Road | 42.5762, -90.6824 | Public |
Neighboring counties in Iowa
Adjacent rockhounding counties, ranked by how close their centroids sit to Dubuque County. A natural extension if Dubuque County is already on your trip plan.
Across the state line from Dubuque County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Iowa.
Dubuque County FAQ
Where can I rockhound in Dubuque County, Iowa?+
RockHoundR tracks 1 rockhounding spot in Dubuque County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Dubuque County?+
Spots in Dubuque County most often produce Fossils, Jasper, Lake Superior Agate, Moonstone, Moss Agate. Individual spots can vary widely.
Are these Dubuque County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.
