Flint River (Alabama)

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Flint River
Flint River Watershed Sign.png
Flint River Elevation.png
Elevation Profile vs River Length
CountryUnited States
StatesAlabama and Tennessee
Physical characteristics
 - locationLincoln County, Tennessee
 - elevation558 ft (170 m)
 - location
Tennessee River
Length65.7 mi (105.7 km)
Basin size568 sq mi (1,470 km2)

The Flint River, 65.7 miles (105.7 km) long[1] and draining an area of 568 square miles (1,470 km2), is a tributary to the Tennessee River. The river rises in Lincoln County, Tennessee, and flows south into Madison County, Alabama, where most of the river's watershed (342 sq. mi.) is located. The land within this watershed is predominantly agricultural and has experienced significant recent residential growth from the city of Huntsville. The U.S. Geological Survey National Water-Quality Assessment Program is currently investigating water quality in the lower Tennessee River basin with several monitoring activities targeted in the Flint River Basin.

Drainage Basin Map


The Flint River rises on the southwestern fringe of the Cumberland Escarpment and primarily drains the plains that have been created by the erosion of this fringe of the Appalachians.[2] Due to the sedimentary nature of this escarpment, which consists primarily of sandstone, star blue quartz can be found in small quantities in the stream bed because it easily survives weathering of its encasing stone.

See also[edit]


  1. ^ "The National Map". U.S. Geological Survey. Archived from the original on 2012-04-05. Retrieved Feb 15, 2011.
  2. ^ "Environmental Geology and Hydrology; Huntsville and Madison County Alabama". Geological Survey of Alabama. Retrieved Jan 13, 2015.

Coordinates: 35°05′07″N 86°23′33″W / 35.0853629°N 86.3924908°W / 35.0853629; -86.3924908