THE RHEA COUNTY LAND BRIEF
Land in the
Southern Limestone/Dolomite Valleys and Low Rolling Hills setting.
Rhea County has 315.5 square miles of land in Tennessee. 4 mapped landscape regions meet across Rhea County: Southern Limestone/Dolomite Valleys and Low Rolling Hills, Cumberland Plateau, Plateau Escarpment, among others.
Long, roughly parallel ridges and valleys follow folded and faulted rock layers. Limestone valleys, sandstone ridges and other geologic contrasts produce varied terrain and numerous regional springs and caves.
Regional context: Ridge and Valley ↗ · Regional mapping across the county footprint
Where the landscape changes
Rhea County intersects 4 mapped regional units. The largest mapped shares are:
- Southern Limestone/Dolomite Valleys and Low Rolling Hills52.1%
- Cumberland Plateau33%
- Plateau Escarpment12.9%
- Southern Dissected Ridges and Knobs1.9%
Southwestern Appalachians in Rhea County
Open low mountains and plateau edges form a landscape of wooded uplands and deeper ravines. Escarpments mark the transition toward both the Ridge and Valley and the Interior Plateau.
Read the regional source ↗Finding your parcel within Rhea County
The atlas lists 3 cities, towns, townships, and Census communities associated with Rhea County, including Dayton, Spring City, Graysville. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Rhea County by land and water
The Census records 21 square miles of water within Rhea County, or 6.2% of its total area. That share is close to Rhea County’s 6.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Rhea County has 113.9 times the land area of nearby Spring City town (2.77 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bledsoe County, Cumberland County, Hamilton County, Meigs County, Roane County within Tennessee. A tract near one of these lines should be matched to the county identifier on its own records.

