Where to Find Jasper in Wisconsin

Wisconsin has 10 mapped collecting spots that report jasper, spread across 7 counties. The largest share sits in Ashland County with 2 spots. 9 of the spots are on land mapped as publicly accessible.

Standout jasper spots in Wisconsin

Hand-picked from the full list below, with the reason each one earns a trip.

Big Bay Town Park
Ashland County
Big Bay Town Park on Madeline Island gives collectors a Lake Superior beach reachable by the Bayfield ferry.
Bayfield County
Bayfield County
The Lake Superior shoreline of Bayfield County, along the State Highway 13 corridor between Port Wing and Cornucopia, is a classic stretch of public agate beach.
Wisconsin Point
Douglas County
Wisconsin Point, a three-mile public sand and gravel spit at the mouth of Superior Bay, is the state's most accessible Lake Superior agate beach.
Saxon Harbor County Park
Iron County
Saxon Harbor is Wisconsin's only county park on Lake Superior, set on Oronto Bay near the Michigan border.

Best counties for jasper in Wisconsin

Ranked by the number of mapped jasper spots. County links open the full rockhounding page for that county.

Every jasper spot we track in Wisconsin

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
Ashland CountyFenton Road	Ashland County	Agate Jasper	46.2490, -90.6852	Public
Big Bay Town ParkHagen Road	Ashland County	Lake Superior Agate Jasper Thomsonite Basalt	46.7846, -90.6478	Public
Bayfield CountyD Street	Bayfield County	Agate Jasper	46.5684, -91.4203	Public
Black River & tributariesMerrilian to Marshfield	Clark County	Agate Jasper	44.5654, -90.6133	Public
OwenEast 2nd Street	Clark County	Jasper	44.9454, -90.5615	Public
Wisconsin PointWisconsin Point Road	Douglas County	Lake Superior Agate Jasper Copper Basalt	46.7020, -92.0140	Public
Iron CountyIron Horse Trail	Iron County	Agate Jasper	46.4577, -90.2522	Public
Saxon Harbor County ParkCounty Highway A	Iron County	Lake Superior Agate Jasper Copper	46.5636, -90.4297	Public
Bluffs of Miss. RiverHanifl Road	La Crosse County	Lake Superior Agate Jasper Diamond Fossils	43.7779, -91.2407	Permission
Sawyer CountyRiver Road	Sawyer County	Agate Jasper	45.7601, -91.2054	Public

Before you go

Read the jasper identification guide so you know what a keeper looks like in the field: Jasper in the encyclopedia.

Jasper in Wisconsin FAQ

Where can you find jasper in Wisconsin?+

The mapped spots concentrate in Ashland County, Clark County, and Iron County. Every spot on this page appears on the map above with coordinates and access notes.

How many jasper spots are mapped in Wisconsin?+

10 spots across 7 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 jasper 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. 9 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 jasper

More minerals to hunt in Wisconsin

Hunt jasper 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.

Standout jasper spots in Wisconsin

Big Bay Town Park

Bayfield County

Wisconsin Point

Saxon Harbor County Park