Saukville: Diamond Rockhounding in Ozaukee County, Wisconsin

Updated June 2026

Saukville is a mapped rockhounding spot in Ozaukee County, Wisconsin. Reported finds include diamond. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Ozaukee County
State: Wisconsin
Nearest road: West Acacia Drive
Postcode: 53080
Coordinates: 43.36202, -87.95390

Geology at Saukville

This spot sits on ground mapped as Racine Formation that formed roughly 445 to 420 million years ago. Fresh exposures, cuts, and drainages are typically the most productive places to look on ground like this.

Mapped unit: Racine Formation
Age: 445–420 Ma (Silurian)
Elevation: 870 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Saukville

Best months: April to October. Typical highs run 78°F in midsummer and 27°F in midwinter, with winter lows near 11°F.

Climate normals: NOAA 1991-2020 monthlies, SAUKVILLE WWTP station (1 mi away).

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 Saukville

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Diamond Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Saukville.

Across the state line from Saukville

Saukville 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.

Charles Mears State Park BeachTop pick in MichiganOceana County, Michigan · 79 mi awayPetoskey Stones, Agate, Fossils

Saukville FAQ

Where is Saukville?+

Saukville is in Ozaukee County, Wisconsin, at 43.36202, -87.95390. Nearest road: West Acacia Drive.

What rocks and minerals can you find at Saukville?+

Saukville is reported to produce Diamond.

Is collecting allowed at Saukville?+

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.

What tools should I bring to Saukville?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Saukville?+

The most comfortable months at Saukville are April to October.

How do I get to Saukville?+

Open the directions link to navigate to 43.36202, -87.95390 in Google Maps. The nearest road is West Acacia Drive.

More rockhounding in Wisconsin

See all 77 Wisconsin spots →

Open Saukville on the map

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