Sylvania (Clark Lake) Campground opening date & reservations
- Managed by
- USDA Forest Service: Ottawa National Forest
- State
- Michigan
- Opens
- May 15, 2027
- Closes
- Oct 15, 2026
- Reservations
- Recreation.gov
- Booking window
- Not listed on source page
- Source
- Official page (checked 2026-10-17)
- Last verified
- Oct 18, 2026 against the Recreation.gov availability calendar
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