THE VALLEY COUNTY LAND BRIEF
Land in the
Southern Forested Mountains setting.
Valley County has 3,665.1 square miles of land in Idaho. 4 mapped landscape regions meet across Valley County: Southern Forested Mountains, High Glacial Drift-Filled Valleys, Hot Dry Canyons, among others.
A deeply cut mountainous plateau forms the Idaho Batholith. Granitic terrain supports conifer forests, while deep canyons introduce warmer settings with pine, shrubs and grasses.
Regional context: Idaho Batholith ↗ · Regional mapping across the county footprint
Where the landscape changes
Valley County intersects 4 mapped regional units. The largest mapped shares are:
- Southern Forested Mountains80.8%
- High Glacial Drift-Filled Valleys7%
- Hot Dry Canyons6.9%
- High Idaho Batholith5.4%
Finding your parcel within Valley County
The atlas lists 5 cities, towns, townships, and Census communities associated with Valley County, including McCall, Cascade, Smiths Ferry. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Valley County by land and water
The Census records 68.4 square miles of water within Valley County, or 1.8% of its total area. That share is close to Valley County’s 1.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Valley County has 3,724.7 times the land area of nearby Yellow Pine CDP (0.98 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Adams County, Boise County, Custer County, Gem County, Idaho County, Lemhi County within Idaho. A tract near one of these lines should be matched to the county identifier on its own records.

