Tennessee is in the Southeastern United States. Most of the state is considered part of the Upland South, and the eastern third is part of Appalachia. Tennessee covers roughly 42,143 square miles (109,150 km ), of which 926 … See more

Geological formations in Tennessee largely correspond with the state's topographic features, and, in general, decrease in age from east to west. Most of the Blue Ridge … See more

Tennessee is within a temperate deciduous forest biome commonly known as the Eastern Deciduous Forest. It has eight ecoregions: the Blue Ridge, Ridge and Valley, Central … See more

Tennessee's eastern boundary roughly follows the highest crests of the Blue Ridge Mountains, and the Mississippi River forms its western boundary. Due to flooding of the … See more

Marked by a diversity of landforms and topographies, Tennessee features six principal physiographic provinces, from east to west, which are part of three larger regions: the See more

The state is drained by three major rivers, the Tennessee, Cumberland, and Mississippi. The Tennessee River begins at the juncture of the See more

Most of the state has a humid subtropical climate, with the exception of some of the higher elevations in the Appalachians, which are classified as having a mountain temperate See more