The definition of Southwest Colorado varies by source. The Colorado Office of Economic Development & International Trade includes the following counties in the Southwest Colorado Region: •
Archuleta County •
Dolores County •
La Plata County •
Montezuma County •
San Juan County Paul M. O'Rourke, writing for the Colorado Bureau of Land Management, equates Southwest Colorado with the Montrose District of the Bureau of Land Management. In addition to the counties listed above, this district includes: •
Delta County •
Gunnison County •
Hinsdale County •
Mineral County •
Montrose County •
Ouray County •
San Miguel County ==Cities==