Port Washington North Beach Park: Rockhounding in Ozaukee County, Wisconsin

Updated August 2026

Port Washington North Beach Park is a mapped rockhounding spot in Ozaukee County, Wisconsin. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Check locally
County: Ozaukee County
State: Wisconsin
Postcode: 53074
Coordinates: 43.39589, -87.86306

Geology at Port Washington North Beach Park

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: 650 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 Port Washington North Beach Park

Best months: April to November. Typical highs run 79°F in midsummer and 31°F in midwinter, with winter lows near 14°F.

Climate normals: NOAA 1991-2020 monthlies, PORT WASHINGTON station (0 mi away).

Land & collecting status

Confirm rules before collecting

Land status here is not confirmed. Verify with the managing agency before collecting — federal, state, and tribal rules differ.

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.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Port Washington North Beach Park.

Across the state line from Port Washington North Beach Park

Port Washington North Beach Park 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.

Port Washington North Beach Park FAQ

Where is Port Washington North Beach Park?+

Port Washington North Beach Park is in Ozaukee County, Wisconsin, at 43.39589, -87.86306.

What rocks and minerals can you find at Port Washington North Beach Park?+

Port Washington North Beach Park is on the rockhounding map but no minerals are listed in our reference. Open RockHoundR to see what other rockhounds have logged.

Is collecting allowed at Port Washington North Beach Park?+

Confirm rules before collecting. Land status here is not confirmed. Verify with the managing agency before collecting — federal, state, and tribal rules differ. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Port Washington North Beach Park?+

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 Port Washington North Beach Park?+

The most comfortable months at Port Washington North Beach Park are April to November.

How do I get to Port Washington North Beach Park?+

Open the directions link to navigate to 43.39589, -87.86306 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Wisconsin

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Open Port Washington North Beach Park on the map

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