River Styx (Gratiot County, Michigan)

River Styx
Location
CountryUnited States
Physical characteristics
Source 
  locationNew Haven Township, Gratiot County, Michigan
  coordinates43°15′50″N 84°46′57″W / 43.26392°N 84.7825°W / 43.26392; -84.7825
Mouth 
  location
Pine Creek, Gratiot County, Michigan
  coordinates
43°13′28″N 84°41′01″W / 43.22447°N 84.68361°W / 43.22447; -84.68361
Length8 mi (13 km)
Basin size6.73 sq mi (17.4 km2)
Discharge 
  locationmouth
  average5.91 cu ft/s (0.167 m3/s) (estimate)

The River Styx is an 8-mile-long (13 km) tributary of Pine Creek in Gratiot County, Michigan, in the United States. Its water flows via Pine Creek, the Maple River, and the Grand River to Lake Michigan.