THE SAN JUAN COUNTY LAND BRIEF
Land in the
Semiarid Benchlands and Canyonlands setting.
San Juan County has 7,823.7 square miles of land in Utah. 7 mapped landscape regions meet across San Juan County: Semiarid Benchlands and Canyonlands, Arid Canyonlands, Monticello-Cortez Uplands, among others.
Layered sedimentary rock forms mesas, benches, cliffs and deeply cut canyons. Pinyon-juniper woodland, oak and drier basin vegetation vary with elevation and the plateau's strongly contrasting terrain.
Regional context: Colorado Plateaus ↗ · Regional mapping across the county footprint
Where the landscape changes
San Juan County intersects 7 mapped regional units. The largest mapped shares are:
- Semiarid Benchlands and Canyonlands52.5%
- Arid Canyonlands35.4%
- Monticello-Cortez Uplands4.4%
- Sand Deserts4.2%
- Crystalline Mid-Elevation Forests2.4%
Southern Rockies in San Juan County
Steep mountains rise through distinct vegetation bands, from lower grass and shrub country to conifers and alpine terrain. Elevation is a defining difference across Southern Rocky Mountain landscapes.
Read the regional source ↗Finding your parcel within San Juan County
The atlas lists 14 cities, towns, townships, and Census communities associated with San Juan County, including La Sal, Bluff, Navajo Mountain. The list includes overlapping geography types and does not divide the county into exclusive service areas.
San Juan County by land and water
The Census records 110.1 square miles of water within San Juan County, or 1.4% of its total area. That share is close to San Juan County’s 1.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, San Juan County has 593.1 times the land area of nearby Blanding city (13.2 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Emery County, Garfield County, Grand County, Kane County, Wayne County within Utah. A tract near one of these lines should be matched to the county identifier on its own records.

