THE CAVALIER COUNTY LAND BRIEF
Land in the
Northern Black Prairie setting.
Cavalier County has 1,489.1 square miles of land in North Dakota. 5 mapped landscape regions meet across Cavalier County: Northern Black Prairie, Pembina Escarpment, Drift Plains, among others.
Flat to gently rolling glacial terrain supports a prairie transition between taller and shorter grasses. Many temporary and seasonal wetlands occupy depressions left in the glacial landscape.
Regional context: Northern Glaciated Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Cavalier County intersects 5 mapped regional units. The largest mapped shares are:
- Northern Black Prairie80.3%
- Pembina Escarpment12.9%
- Drift Plains4.3%
- Glacial Lake Agassiz Basin1.2%
- Beach Ridges and Sand Deltas1.2%
Lake Agassiz Plain in Cavalier County
The former bed of glacial Lake Agassiz forms an exceptionally flat plain in the Red River valley. Thick lake sediments overlie older glacial deposits across this historic prairie landscape.
Read the regional source ↗Finding your parcel within Cavalier County
The atlas lists 52 cities, towns, townships, and Census communities associated with Cavalier County, including Fremont, Byron, Cypress. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Cavalier County by land and water
The Census records 20.7 square miles of water within Cavalier County, or 1.4% of its total area. That share is close to Cavalier County’s 1.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Cavalier County has 43.4 times the land area of nearby Elgin township (34.3 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Pembina County, Ramsey County, Towner County, Walsh County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

