Agates near Milwaukee, WI
5 of the mapped rockhounding spots within 150 miles of Milwaukee report agate. The closest is Devil's Lake, about 95 miles out (1 hr 59 min drive).
Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.
Map of 5 agate collecting spots within 150 miles of Milwaukee, Wisconsin
Closest agates spots to Milwaukee
- Devil's LakeSauk County, Wisconsin95 mi · 1 hr 59 min driveLake Superior Agate
- MuscodaIowa County, Wisconsin127 mi · 2 hr 39 min driveAgate
- BellevueJackson County, Iowa139 mi · 2 hr 53 min driveLake Superior Agate, Moss Agate, Carnelian
- Central Wood CountyWood County, Wisconsin143 mi · 2 hr 59 min driveAgate, Aventurine, Quartzite
- DubuqueDubuque County, Iowa144 mi · 3 hr driveLake Superior Agate, Moss Agate, Oolitic Agates
Types of agates reported near Milwaukee
Counts reflect how many spots in this radius mention each variety.
- Lake Superior Agate3
- Agate2
- Moss Agate2
- Oolitic Agates1
Every agate spot within 150 miles of Milwaukee
Sorted by distance from Milwaukee. Tap a row for directions, access status, and nearby trips.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Devil's LakeDevil's Doorway Trail | Sauk County | 43.4136, -89.7200 | Public | |
| MuscodaElm Street | Iowa County | 43.1902, -90.4200 | Public | |
| BellevueGreat River Road | Jackson County |
| 42.2313, -90.4017 | Public |
| Central Wood CountyLincoln Road | Wood County |
| 44.4322, -90.0296 | Public |
| DubuqueRiverside Road | Dubuque County | 42.5762, -90.6824 | Public |
Agates near Milwaukee FAQ
Where can I find agates near Milwaukee?+
5 mapped spots within about 150 miles of Milwaukee report agate. The closest is Devil's Lake in Sauk County County, roughly 95 miles away (1 hr 59 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Milwaukee?+
5 of the 5 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Milwaukee do I need to drive?+
The nearest agate spot is about 95 miles out, and the farthest on this list is 144 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Milwaukee
Agates near other cities
Hunt agates around Milwaukee with the map in your pocket
RockHoundR shows these spots on an offline map with public land overlays, geology layers, weather, and a log for your finds.
