Rockcastle River

Rockcastle River
A kayak on the Rockcastle River
Location of the mouth of the Rockcastle River in Kentucky
Location
CountryUnited States
StateKentucky
Physical characteristics
SourceJackson County line
  locationkentucky
  coordinates37°20′10″N 84°7′8″W / 37.33611°N 84.11889°W / 37.33611; -84.11889
MouthCumberland River
  location
kentucky
  coordinates
36°57′36″N 84°21′25″W / 36.96000°N 84.35694°W / 36.96000; -84.35694
  elevation
888 ft (271 m)
Length55 mi (89 km)
Basin size4,100 sq mi (11,000 km2)

The Rockcastle River is a 54.8-mile-long (88.2 km) river primarily in Rockcastle County, Kentucky, United States. It is a tributary of the Cumberland River and therefore, via the Ohio River, part of the Mississippi River watershed.