According to the US Census Bureau, the county has a total area of 2,062 square miles (5,340 km²), of which 2,049 square miles (5,310 km²) is land and 13 square miles (34 km²) (0.6%) is water.

Granite Peak, the state's highest mountain, is found in Carbon County's Beartooth Mountains.
The Beartooth Highway, one of the "most spectacular alpine highways", links Red Lodge to Cooke City.
The Pryor Mountains are in the east of the county, along with the Big Horn River.
According to the US Census Bureau, the county has a total area of 2,062 square miles (5,340 km²), of which 2,049 square miles (5,310 km²) is land and 13 square miles (34 km²) (0.6%) is water.
Granite Peak, the state's highest mountain, is found in Carbon County's Beartooth Mountains. The Beartooth Highway, one of the "most spectacular alpine highways", links Red Lodge to Cooke City. The Pryor Mountains are in the east of the county, along with the Big Horn River.
Carbon County, Montana