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Current researched answer

Grand Haven State Park

Explicitly allowed

Michigan DNR lists Grand Haven State Park as open to metal detecting, subject to statewide safeguards.

Pending human review: This machine-researched draft has not been approved for search-engine indexing. Verify the official sources before relying on it.

Jurisdiction
State of Michigan
Scope
Grand Haven State Park under the Michigan DNR metal-detecting program.
Permit
No permit requirement stated in the cited rule
Confidence
High
Sources last checked
July 10, 2026
Review state
Pending human review

Location limits

Where detecting is allowed

  • Grand Haven State Park, subject to the DNR's statewide exclusion for designated historic and archaeological sites.

Where it is restricted or prohibited

  • Any designated historic or archaeological site.
  • Do not search at archaeological, historic, burial, or tribal sites.

Authorization

Permit instructions

The cited rule does not state a permit requirement for the scope summarized here. This is not proof that no other authorization applies.

Digging and tool restrictions

  • The reviewed statewide page does not state a recovery-tool or hole-restoration rule; check current park notices and staff instructions.

Seasonal and hour restrictions

The cited official material does not state a specific rule for this item.

Found property and reportable objects

Items found must be reviewed by park staff and may be retained for further investigation.

Final check

Before you go

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

Official sources

Same jurisdiction

Michigan · State parkRestricted

Algonac State Park

Detect only inside the areas designated on the current Michigan DNR map for Algonac State Park.

Permit
Not identified as required by cited rule
Review
Pending human review
Read the sourced summary
Michigan · State parkPermit required

Flint State Park

A permit is required before metal detecting at Flint State Park; confirm the current process before visiting.

Permit
Required or conditionally required
Review
Pending human review
Read the sourced summary