Current researched answer
Detect only inside the areas designated on the current Michigan DNR map for Algonac State Park.
Pending human review: This machine-researched draft has not been approved for search-engine indexing. Verify the official sources before relying on it.
Location limits
Authorization
The cited rule does not state a permit requirement for the scope summarized here. This is not proof that no other authorization applies.
The cited official material does not state a specific rule for this item.
Items found must be reviewed by park staff and may be retained for further investigation.
Final check
Review the live official source and contact the land manager for current site-specific restrictions before visiting.
Always check current posted signs and current land-manager instructions. Rules, closures, designated areas, and permit procedures can change after the source-check date.
Primary evidence
Source 1
Issuing authority: Michigan Department of Natural Resources
The DNR page places Algonac in the designated-area category and links an official park-specific metal-detecting map.
Source 2
Issuing authority: Michigan Department of Natural Resources
The official DNR map defines the park-specific areas intended for metal-detecting use.
Same jurisdiction
A permit is required before metal detecting at Flint State Park; confirm the current process before visiting.
Read the sourced summaryMichigan DNR lists Grand Haven State Park as open to metal detecting, subject to statewide safeguards.
Read the sourced summary