THE GRAND COUNTY LAND BRIEF
Land in the
Semiarid Benchlands and Canyonlands setting.
Grand County has 3,672.9 square miles of land in Utah. 8 mapped landscape regions meet across Grand County: Semiarid Benchlands and Canyonlands, Escarpments, Shale Deserts and Sedimentary Basins, 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
Grand County intersects 8 mapped regional units. The largest mapped shares are:
- Semiarid Benchlands and Canyonlands34.4%
- Escarpments30%
- Shale Deserts and Sedimentary Basins24.9%
- Arid Canyonlands7.5%
- Crystalline Mid-Elevation Forests1.4%
Southern Rockies in Grand 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 Grand County
The atlas lists 3 cities, towns, townships, and Census communities associated with Grand County, including Castle Valley, Moab, Thompson Springs. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Grand County by land and water
The Census records 11.8 square miles of water within Grand County, or 0.3% of its total area. That share is close to Grand County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Grand County has 1,152.8 times the land area of nearby Thompson Springs CDP (3.19 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Carbon County, Emery County, San Juan County, Uintah County, Wayne County within Utah. A tract near one of these lines should be matched to the county identifier on its own records.

