THE ALPINE COUNTY LAND BRIEF
Land in the
Northern Sierra Subalpine Forests setting.
Alpine County has 738.3 square miles of land in California. 6 mapped landscape regions meet across Alpine County: Northern Sierra Subalpine Forests, Northeastern Sierra Mixed Conifer-Pine Forests, Northern Sierra Upper Montane Forests, among others.
A high mountain block slopes west toward California's Central Valley and drops sharply on its eastern side. Granite landscapes, glacial basins and elevation-dependent conifer forests are prominent regional features.
Regional context: Sierra Nevada ↗ · Regional mapping across the county footprint
Where the landscape changes
Alpine County intersects 6 mapped regional units. The largest mapped shares are:
- Northern Sierra Subalpine Forests39.2%
- Northeastern Sierra Mixed Conifer-Pine Forests31.2%
- Northern Sierra Upper Montane Forests19.9%
- Sierra Nevada-Influenced Ranges4.9%
- Sierran Alpine2.5%
Central Basin and Range in Alpine County
North-trending mountain blocks separate dry interior basins. Alluvial fans connect the ranges to valley floors, while vegetation changes from sparse basin shrubs to woodland and forest at higher elevations.
Read the regional source ↗Finding your parcel within Alpine County
The atlas lists 5 cities, towns, townships, and Census communities associated with Alpine County, including Markleeville, Bear Valley, Mesa Vista. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Alpine County by land and water
The Census records 4.85 square miles of water within Alpine County, or 0.7% of its total area. That share is close to Alpine County’s 0.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Alpine County has 113.1 times the land area of nearby Markleeville CDP (6.53 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Amador County, Calaveras County, El Dorado County, Mono County, Tuolumne County within California. A tract near one of these lines should be matched to the county identifier on its own records.

