Rapid River (Kalkaska County, Michigan)

Rapid River
View of the river from NW Aarwood Road
Location within the state of Michigan
Location
CountryUSA
StateMichigan
RegionNorthern Michigan
CountyKalkaska County
Physical characteristics
Source 
  locationCold Springs Township, Kalkaska County, Michigan
  coordinates44°50′19″N 85°4′29″W / 44.83861°N 85.07472°W / 44.83861; -85.07472
MouthTorch River
  location
Torch River, Kalkaska County, Michigan
  coordinates
44°50′44″N 85°19′21″W / 44.84556°N 85.32250°W / 44.84556; -85.32250

Rapid River is a 17.0-mile-long (27.4 km) river in Kalkaska County in the U.S. state of Michigan. The river empties into the Torch River at the community of Torch River just south of Torch Lake.