Rockhounding in Alger County, Michigan

1 mapped rockhounding spot in Alger County. Most commonly produces jasper, lake superior agate, yooperlite.

Alger County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

A Yooperlite glowing orange under ultraviolet light, found on the Lake Superior shore near Grand Marais — Woodland Park Beach, Grand MaraisAlger County, Michigan

Minerals reported in Alger County

Standout in Alger County

Hand-picked spot in Alger County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Woodland Park Beach, Grand Marais
Public
Alger County
Grand Marais is the most famous place in Michigan to hunt Yooperlites, sodalite-bearing syenite stones that glow bright orange under ultraviolet light. Woodland Park provides free public Lake Superior beach to search after dark, where the shoreline below the high-water mark is public land. Lake Superior agates and jasper turn up in the same gravel by day.
Yooperlite, Lake Superior Agate, Jasper

Spots in Alger County

Spot	Minerals	Coordinates	Access
Woodland Park Beach, Grand Marais	Yooperlite Lake Superior Agate Jasper	46.6733, -85.9911	Public

Neighboring counties in Michigan

Adjacent rockhounding counties, ranked by how close their centroids sit to Alger County. A natural extension if Alger County is already on your trip plan.

Alger County FAQ

Where can I rockhound in Alger County, Michigan?+

RockHoundR tracks 1 rockhounding spot in Alger County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Alger County?+

Spots in Alger County most often produce Jasper, Lake Superior Agate, Yooperlite. Individual spots can vary widely.

Are these Alger County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Alger County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.