THE ROANE COUNTY LAND BRIEF
Land in the
Southern Limestone/Dolomite Valleys and Low Rolling Hills setting.
Roane County has 360.8 square miles of land in Tennessee. 5 mapped landscape regions meet across Roane County: Southern Limestone/Dolomite Valleys and Low Rolling Hills, Southern Dissected Ridges and Knobs, 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
Roane County intersects 5 mapped regional units. The largest mapped shares are:
- Southern Limestone/Dolomite Valleys and Low Rolling Hills71.2%
- Southern Dissected Ridges and Knobs19.6%
- Plateau Escarpment5.1%
- Cumberland Plateau2.8%
- Southern Shale Valleys1.2%
Southwestern Appalachians in Roane 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 Roane County
The atlas lists 6 cities, towns, townships, and Census communities associated with Roane County, including Oak Ridge, Harriman, Rockwood. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Roane County by land and water
The Census records 34.2 square miles of water within Roane County, or 8.7% of its total area. That share is close to Roane County’s 8.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Roane County has 49.5 times the land area of nearby Kingston city (7.29 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Anderson County, Cumberland County, Knox County, Loudon County, McMinn County, Meigs County, Morgan County, Rhea County within Tennessee. A tract near one of these lines should be matched to the county identifier on its own records.

