Au Gres River

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Au Gres River
Country United States
Basin features
Main source Hill Township, Ogemaw County, Michigan
44°21′15″N 83°57′46″W / 44.35418°N 83.96277°W / 44.35418; -83.96277[1]
River mouth Saginaw Bay, Lake Huron, Michigan
44°01′42″N 83°40′55″W / 44.02835°N 83.68192°W / 44.02835; -83.68192Coordinates: 44°01′42″N 83°40′55″W / 44.02835°N 83.68192°W / 44.02835; -83.68192
Basin size 450 sq mi (1,200 km2)
Physical characteristics
Length 47 mi (76 km)

The Au Gres River is a river in Michigan. Its mouth is at Lake Huron in the city of Au Gres, Michigan. It flows through Arenac, Iosco and Ogemaw counties. It formerly had an eastern branch, which was severed from the parent river and rerouted along the Whitney Drain to Lake Huron north of Au Gres. The main stream is 46.7 miles (75.2 km) long.[2]

See also[edit]


  1. ^ "Au Gres River". Geographic Names Information System. United States Geological Survey. 
  2. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed November 7, 2011