Where to Find Lake Superior Agate in Wisconsin

Wisconsin has 9 mapped collecting spots that report lake superior agate, spread across 8 counties. The largest share sits in La Crosse County with 2 spots. 7 of the spots are on land mapped as publicly accessible.

Standout lake superior agate 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.
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 lake superior agate in Wisconsin

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

La Crosse County2 spots
Ashland County1 spot
Chippewa County1 spot
Douglas County1 spot
Dunn County1 spot
Iron County1 spot
Pepin County1 spot
Sauk County1 spot

Every lake superior agate spot we track in Wisconsin

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
Big Bay Town ParkHagen Road	Ashland County	Lake Superior Agate Jasper Thomsonite Basalt	46.7846, -90.6478	Public
Chippewa County	Chippewa County	Lake Superior Agate Quartz	44.9497, -91.2400	Public
Wisconsin PointWisconsin Point Road	Douglas County	Lake Superior Agate Jasper Copper Basalt	46.7020, -92.0140	Public
MenomonieStout Road	Dunn County	Lake Superior Agate	44.8849, -91.8774	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
La Crosse CountyTwo Creeks Court	La Crosse County	Lake Superior Agate	43.8366, -91.1090	Public
DurandSupri Lane	Pepin County	Lake Superior Agate	44.6380, -91.9341	Public
Devil's LakeDevil's Doorway Trail	Sauk County	Lake Superior Agate	43.4136, -89.7200	Permission

Before you go

Read the lake superior agate identification guide so you know what a keeper looks like in the field: Lake Superior Agate in the encyclopedia.

Lake Superior Agate in Wisconsin FAQ

Where can you find lake superior agate in Wisconsin?+

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

How many lake superior agate spots are mapped in Wisconsin?+

9 spots across 8 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 lake superior agate 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. 7 of the 9 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find lake superior agate

More minerals to hunt in Wisconsin

Hunt lake superior agate 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.