THE TEHAMA COUNTY LAND BRIEF
Land in the
Tuscan Flows setting.
Tehama County has 2,949.1 square miles of land in California. 14 mapped landscape regions meet across Tehama County: Tuscan Flows, Tehama Terraces, Foothill Ridges and Valleys, among others.
Oak woodland, chaparral and grassland occupy foothills and low coastal mountains around the Central Valley. Narrow agricultural valleys interrupt this landscape of dry summers and wetter winters.
Regional context: Central California Foothills and Coastal Mountains ↗ · Regional mapping across the county footprint
Where the landscape changes
Tehama County intersects 14 mapped regional units. The largest mapped shares are:
- Tuscan Flows20.4%
- Tehama Terraces18.5%
- Foothill Ridges and Valleys12.2%
- High North Coast Ranges11.7%
- Southern Cascades Foothills7.5%
Klamath Mountains/California High North Coast Range in Tehama County
Dissected ridges, valleys and foothills combine varied rock types with diverse conifer and hardwood forests. The Klamath and Siskiyou ranges differ geologically from the volcanic Cascades to the east.
Read the regional source ↗Cascades in Tehama County
Volcanic mountains, deeply cut stream valleys and glaciated high country define the Cascades. Conifer forests change with elevation, giving way to mountain meadows and rocky alpine terrain.
Read the regional source ↗Finding your parcel within Tehama County
The atlas lists 18 cities, towns, townships, and Census communities associated with Tehama County, including Mineral, Manton, Rancho Tehama Reserve. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Tehama County by land and water
The Census records 13 square miles of water within Tehama County, or 0.4% of its total area. That share is close to Tehama County’s 0.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Tehama County has 390 times the land area of nearby Red Bluff city (7.56 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Butte County, Glenn County, Mendocino County, Plumas County, Shasta County, Trinity County within California. A tract near one of these lines should be matched to the county identifier on its own records.

