Boscobel: Pearls Rockhounding in Crawford County, Wisconsin

Updated June 2026

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

Quick details

Access: Public area
County: Crawford County
State: Wisconsin
Nearest road: State Highway 60
Postcode: 53805
Coordinates: 43.15031, -90.71855

Geology at Boscobel

This spot sits on ground mapped as sandstone that formed roughly 540 to 485 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.

Age: 540–485 Ma (Cambrian)
Rock types: sandstone
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 Boscobel

Best months: March to November. Typical highs run 84°F in midsummer and 29°F in midwinter, with winter lows near 10°F.

Climate normals: NOAA 1991-2020 monthlies, BOSCOBEL AP station (2 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 Boscobel

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

Pearls

Nearby rockhounding spots

Other rockhounding spots within driving distance of Boscobel.

Across the state line from Boscobel

Boscobel 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.

Boscobel FAQ

Where is Boscobel?+

Boscobel is in Crawford County, Wisconsin, at 43.15031, -90.71855. Nearest road: State Highway 60.

What rocks and minerals can you find at Boscobel?+

Boscobel is reported to produce Pearls.

Is collecting allowed at Boscobel?+

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 Boscobel?+

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 Boscobel?+

The most comfortable months at Boscobel are March to November.

How do I get to Boscobel?+

Open the directions link to navigate to 43.15031, -90.71855 in Google Maps. The nearest road is State Highway 60.

More rockhounding in Wisconsin

See all 77 Wisconsin spots →

Open Boscobel on the map

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