Marker
  • Detroit River International Wildlife Refuge
    (734) 365-0219
    5437 West Jefferson Avenue Trenton, MI 48183
  • John D. Dingell Jr. Visitor Center Hours
    Thursday
    10:00 - 4:00 p.m. (Closed Federal Holidays)
    Friday
    10:00 - 4:00 p.m. (Closed Federal Holidays)
    Saturday
    10:00 - 4:00 p.m. (Closed Federal Holidays)
    Sunday
    10:00 - 4:00 p.m. (Closed Federal Holidays)
    Refuge Gateway, Humbug Marsh, Gibraltar Bay, Fix and Strong Units Hours
    Daily, year round including federal holidays
    Sunrise - Sunset
    Sugar Island - Western Beach Hours
    Memorial Day through Labor Day
    Sunrise - sunset
    Note:
    The remainder of the island is closed to public use, except during hunting season.