THE RIO GRANDE COUNTY LAND BRIEF
Land in the
Volcanic Subalpine Forests setting.
Rio Grande County has 912 square miles of land in Colorado. 7 mapped landscape regions meet across Rio Grande County: Volcanic Subalpine Forests, San Luis Alluvial Flats and Wetlands, Foothill Shrublands, among others.
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.
Regional context: Southern Rockies ↗ · Regional mapping across the county footprint
Where the landscape changes
Rio Grande County intersects 7 mapped regional units. The largest mapped shares are:
- Volcanic Subalpine Forests31.7%
- San Luis Alluvial Flats and Wetlands28.6%
- Foothill Shrublands14.2%
- San Luis Shrublands and Hills12.2%
- Volcanic Mid-Elevation Forests10.7%
Arizona/New Mexico Plateau in Rio Grande County
Plains and mesa tops alternate with steep tableland edges in this transition between deserts, grasslands and forested mountains. Local relief changes sharply even within the broader plateau setting.
Read the regional source ↗Finding your parcel within Rio Grande County
The atlas lists 6 cities, towns, townships, and Census communities associated with Rio Grande County, including Monte Vista, South Fork, Gerrard. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Rio Grande County by land and water
The Census records 0.38 square miles of water within Rio Grande County, or 0% of its total area. That share is close to Rio Grande County’s 0%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Rio Grande County has 846.8 times the land area of nearby Del Norte town (1.08 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Alamosa County, Archuleta County, Conejos County, Mineral County, Saguache County within Colorado. A tract near one of these lines should be matched to the county identifier on its own records.

