No separate authorization is stated for the listed scope.
Where it applies
The entire Grand Haven State Park is open to detecting subject to statewide rules; only registered campers may detect in campground areas.
Campground
Only registered campers may metal detect in campgrounds.
Main restrictions
Campground conditions
Tool-type limits
Ground-restoration requirements
Protected-resource exclusions
Archaeological-resource exclusions
Found-property rules
Last reviewed
Where you can detect
Where detecting is allowed
The entire park, subject to statewide rules. Only registered campers may detect in campground areas.
Where it is restricted or prohibited
Designated historic and archaeological sites remain off-limits.
Digging and recovery
Use only a probe or small hand trowel for subsurface recovery.
Do not unduly disturb the land. Replace all disturbed material. Large-scale digging is prohibited unless part of a properly authorized archaeological project.
Keeping or reporting finds
All recovered items must be checked by park staff. Park staff may retain recovered items for further investigation.
Important restrictions
Only registered campers may metal detect in campgrounds.
Before you go
Before you go
A Recreation Passport may be required for vehicle entry, but it is not a metal-detecting permit. Only registered campers may detect in campground areas; check current park signs and closures.
Check posted signs before you go. Rules, closures, maps, and permit procedures can change.
Official sources
Official sources
These links show the rules and dates used for this page.
Source authority: Michigan Department of Natural Resources
Source role: Decisive
Exact claim established: The current Grand Haven State Park property page establishes that the entire park is open to metal detecting and that only registered campers may detect in campgrounds.
Evidence locator: Amenities & activities; Stay overnight · Amenities & activities > Metal detecting; Stay overnight > Grand Haven Modern Campground
The current property page establishes that the entire park is open to metal detecting and identifies the campground condition: only registered campers may detect in campgrounds.
Source authority: Michigan Department of Natural Resources
Source role: Controlling
Exact claim established: The DNR page lists Grand Haven State Park among parks open to metal detecting, excludes designated historic and archaeological sites, and says found items must be reviewed by park staff and may be retained for further investigation.
Evidence locator: No narrower locator is recorded; review the linked official source.
Source authority: Michigan Department of Natural Resources
Source role: Restriction
Exact claim established: Order 5.26(1) prohibits detector use outside an area shown open on the current access map unless the unit supervisor or manager provides written authorization; the order calls for access maps to be published by April 15 each year.
Evidence locator: No narrower locator is recorded; review the linked official source.
Metal detecting is limited to the red-shaded areas on DNR’s currently linked Algonac map. Only registered campers may metal detect in campground areas. All other areas are closed unless the unit supervisor or manager gives written authorization.
Only registered campers may metal detect in campgrounds.
Permission
The mapped red-shaded areas are open under the current property guidance. Written authorization is required elsewhere.
