Where to Find Agate in Wisconsin
Wisconsin has 10 mapped collecting spots that report agate, spread across 10 counties. The largest share sits in Ashland County County with 1 spot. 10 of the spots are on land mapped as publicly accessible.
Map of 10 agate collecting spots in Wisconsin
Best counties for agate in Wisconsin
Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.
- Ashland County1 spot
- Bayfield County1 spot
- Clark County1 spot
- Crawford County1 spot
- Douglas County1 spot
- Grant County1 spot
- Iowa County1 spot
- Iron County1 spot
- Sawyer County1 spot
- Wood County1 spot
Every agate spot we track in Wisconsin
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Ashland CountyFenton Road | Ashland County | 46.2490, -90.6852 | Public | |
| Bayfield CountyD Street | Bayfield County | 46.5684, -91.4203 | Public | |
| Black River & tributariesMerrilian to Marshfield | Clark County | 44.5654, -90.6133 | Public | |
| Prairie du Chien | Crawford County | 43.1153, -91.1579 | Public | |
| Ounce CreekCoppermine Scenic Drive Loop | Douglas County | 46.2192, -91.5640 | Public | |
| CassvilleBrewery Hollow Road | Grant County | 42.7292, -90.9924 | Public | |
| MuscodaElm Street | Iowa County | 43.1902, -90.4200 | Public | |
| Iron CountyIron Horse Trail | Iron County | 46.4577, -90.2522 | Public | |
| Sawyer CountyRiver Road | Sawyer County | 45.7601, -91.2054 | Public | |
| Central Wood CountyLincoln Road | Wood County |
| 44.4322, -90.0296 | Public |
Before you go
Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.
Agate in Wisconsin FAQ
Where can you find agate in Wisconsin?+
The mapped spots concentrate in Ashland County County, Bayfield County County, and Clark County County. Every spot on this page appears on the map above with coordinates and access notes.
How many agate spots are mapped in Wisconsin?+
10 spots across 10 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect agate in Wisconsin?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 10 of the 10 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find agate
More minerals to hunt in Wisconsin
Hunt agate in Wisconsin with the map in your pocket
RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.
