THE CASCADE COUNTY LAND BRIEF
Land in the
North Central Brown Glaciated Plains setting.
Cascade County has 2,698.2 square miles of land in Montana. 7 mapped landscape regions meet across Cascade County: North Central Brown Glaciated Plains, Limy Foothill Grassland, Unglaciated Montana High Plains, among others.
Glaciated plains bridge the wetter eastern prairie and the drier, more broken Great Plains. Numerous prairie potholes and other seasonal or persistent wetlands are characteristic regional landforms.
Regional context: Northwestern Glaciated Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Cascade County intersects 7 mapped regional units. The largest mapped shares are:
- North Central Brown Glaciated Plains38.1%
- Limy Foothill Grassland14%
- Unglaciated Montana High Plains13.9%
- Big Snowy-Little Belt Carbonate Mountains13.1%
- Foothill Grassland11.9%
Northwestern Great Plains in Cascade County
Rolling semiarid plains are punctuated by buttes, badlands and river breaks. Much of the regional terrain developed on sandstone, siltstone and shale without the leveling influence of continental glaciers.
Read the regional source ↗Middle Rockies in Cascade County
Forested mountain ranges rise above grassy or shrubby intermountain valleys. The Middle Rockies combine alpine high country, partly wooded foothills and valleys supplied by mountain streams.
Read the regional source ↗Finding your parcel within Cascade County
The atlas lists 24 cities, towns, townships, and Census communities associated with Cascade County, including Great Falls, Ulm, Simms. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Cascade County by land and water
The Census records 13.2 square miles of water within Cascade County, or 0.5% of its total area. That share is close to Cascade County’s 0.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Cascade County has 2,864.3 times the land area of nearby Big Stone Colony CDP (0.94 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Chouteau County, Judith Basin County, Lewis and Clark County, Meagher County, Teton County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

