Where to Find Granite in Michigan

Michigan has 27 mapped collecting spots that report granite, spread across 14 counties. The largest share sits in Luce County with 4 spots. 16 of the spots are on land mapped as publicly accessible, and 9 are fee-dig sites.

Spot list checked against source data on April 1, 2026.

Standout granite spots in Michigan

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

Woodland Park Beach, Grand Marais
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.

Best counties for granite in Michigan

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

Every granite spot we track in Michigan

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
Harrisville State Park	Alcona County	Granite Chert Quartz Chain Coral Horn Coral Petoskey Stone Puddingstone Yooperlite	44.6475, -83.2976	Paid / fee
Negwegon State Park	Alcona County	Puddingstone Petoskey Stone Granite Gneiss Quartz Gowganda Tillite Charlevoix Stone	44.8551, -83.3246	Paid / fee
Sturgeon Point Lighthouse	Alcona County	Granite Chert Fossil Limestone Quartz Petoskey Stone Puddingstone	44.7127, -83.2727	Paid / fee
Woodland Park Beach, Grand Marais	Alger County	Yooperlite Lake Superior Agate Jasper Quartz Granite Banded Iron Formation Gneiss Rhyolite +1 more	46.6733, -85.9911	Public
Wilcox-Palmer-Shaw Preserve	Antrim County	Chert Quartz Granite Basalt Petoskey Stone Charlevoix Stone Unakite Cold Water Agate	44.9248, -85.3986	Public
Singing Bridge Public Access	Arenac County	Petoskey Stone Charlevoix Stone Gneiss Granite Puddingstone Horn Coral Fossil Jasper +9 more	44.1432, -83.5686	Public
Frankfort Public Beach And Playground	Benzie County	Granite Chert Quartz Chain Coral Horn Coral Frankfort Green Petoskey Stone Unakite	44.6324, -86.2458	Check locally
Point Betsie Lighthouse	Benzie County	Petoskey Stone Chert Chain Coral Granite Unakite Crinoid Brachiopod Horn Coral +5 more	44.6913, -86.2553	Public
Vermilion Point	Chippewa County	Omar Chert Granite Unakite Quartz Lake Superior Agate	46.7631, -85.1490	Public
Whitefish PointWest North Shore Road	Chippewa County	Granite Agate Magnetite	46.7731, -84.9661	Public
Little Girls Point County Park	Gogebic County	Basalt Granite Unakite Jasper Quartz Jacobsville Sandstone Lake Superior Agate	46.6039, -90.3221	Public
Maple Creek	Gogebic County	Granite Agate Banded Iron Formation Native Copper	46.6534, -90.1133	Public
McClain State ParkBear Lake Road	Houghton County	Adularia Chalcedony Chert Jasper Keweenaw Agate Thomsonite Prehnite Quartz +3 more	47.2368, -88.6147	Permission
Tawas Point State Park	Iosco County	Quartz Granite Gneiss Puddingstone Petoskey Stone Jasper Brachiopod	44.2544, -83.4480	Paid / fee
Esrey ParkM 26	Keweenaw County	Granite Prehnite Copper Agate Nodule	47.4686, -88.0567	Public
Gratiot River County Park	Keweenaw County	Freda Sandstone Basalt Rhyolite Unakite Granite Lake Superior Agate Prehnite Mesolite	47.3437, -88.4525	Public
Keweenaw Rocket RangeRocket Range Road	Keweenaw County	Granite Prehnite Copper Agate Nodule	47.4303, -87.7147	Public
Hidden Beach	Leelanau County	Leland Blue Petoskey Stone Unakite Quartz Granite Jasper Chert Charlevoix Stone +7 more	45.0196, -85.7645	Public
North Beach	Leelanau County	Petoskey Stone Unakite Stromatoporoid Charlevoix Stone Horn Coral Stromatolite Granite Quartz +6 more	45.0260, -85.7596	Public
Van's Beach	Leelanau County	Leland Blue Petoskey Stone Unakite Quartz Granite Jasper Chert Charlevoix Stone +7 more	45.0223, -85.7625	Public
Crisp Point Lighthouse	Luce County	Granite Quartz Chert Omar Gneiss Jasper Unakite Rhyolite +4 more	46.7529, -85.2574	Public
Lake Superior State Forest Campground	Luce County	Granite Unakite Quartz Omar Chert Lake Superior Agate	46.6768, -85.7560	Paid / fee
Muskallonge Lake State Park	Luce County	Granite Chert Omar Unakite Quartz Gneiss Rhyolite Basalt +2 more	46.6766, -85.6281	Paid / fee
Two Hearted River State Forest Campground	Luce County	Unakite Epidote Chert Gneiss Granite Jacobsville Sandstone Quartz Chalcedony +11 more	46.6981, -85.4226	Paid / fee
Lakeshore Beach	Marquette County	Slag Quartz Granite Lake Superior Agate	46.5612, -87.3881	Public
Hoeft State Park	Presque Isle County	Puddingstone Granite Quartz Chert Horn Coral Brachiopod Crinoid	45.4637, -83.8836	Paid / fee
Thompson's Harbor State Park	Presque Isle County	Granite Gneiss Quartz Stromatolite	45.3520, -83.6199	Paid / fee

Before you go

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

Granite in Michigan FAQ

Where can you find granite in Michigan?+

The mapped spots concentrate in Luce County, Alcona County, and Keweenaw County. Every spot on this page appears on the map above with coordinates and access notes.

How many granite spots are mapped in Michigan?+

27 spots across 14 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 granite in Michigan?+

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. 16 of the 27 mapped spots here sit on land marked public, and 9 are fee-dig operations where you pay for access and keep what you find. Always confirm current rules with the managing agency before you dig.

More minerals to hunt in Michigan

Hunt granite in Michigan 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.