Regions of Montana

The state is a large geographical area (147,046 square miles (380,850 km2)) that is split by the Continental Divide, resulting in watersheds draining into the Pacific Ocean, Gulf of Mexico and Hudson's Bay.

The fourth largest state in land area, it has been divided up in official and unofficial ways into a variety of regions.

Additionally, Montana is part of a number of larger federal government administrative regions.

[20] The Bureau of Land Management (BLM) includes Montana with North and South Dakota in its Montana-Dakotas region.

Areas near Granite Peak and the highest elevations in Glacier National Park are Dfc (Continental subarctic), and a small area in the northwestern corner of the state near the Idaho border listed as Dsb (Warm summer continental).