Buffalo is a city in Johnson County, Wyoming, United States. The city is located almost equidistant between Yellowstone Park and Mount Rushmore. The population was 4,585 at the 2010 census. It is the county seat of Johnson County. The city has experienced an economic boom due to methane production from the coal bed methane extraction method used in the Powder River Basin and surrounding areas. However, with the decline of methane production, Buffalo's population has stabilized since the 2010 Census. Even though energy is a vital part of its economy, agriculture, tourism, and recreations are three other major components. Buffalo is at the foot of the Bighorn Mountains.

Big Horn is an unincorporated community and census-designated place (CDP) in Sheridan County, Wyoming, United States. The population was 198 at the 2000 census and 490 at the 2010 census.

Gillette is a city in and the county seat of Campbell County, Wyoming, United States. The town was founded in 1891 as a major railway town on the Chicago, Burlington and Quincy Railroad. The population was estimated at 32,030 as of July 1, 2019. Gillette's population increased 48% in the ten years after the 2000 census, which counted 19,646 residents after a boom in its local fossil fuel industries.Gillette is centrally located in an area involved with the development of vast quantities of American coal, oil, and coalbed methane gas. The city calls itself the "Energy Capital of the Nation"; Wyoming provides nearly 35% of the nation's coal. However, a decline in coal use in the U.S. has led to a decline in the local economy, leading some local officials to look for other industries or employment opportunities. As a major economic hub for the county, the city is also a regional center for media, education, health, and arts.

West Yellowstone is a town in Gallatin County, Montana, United States, adjacent to Yellowstone National Park. The population was 1,271 at the 2010 census. West Yellowstone is served by Yellowstone Airport. It is part of the Bozeman, MT Micropolitan Statistical Area. West Yellowstone offers lodging, gift shops, and other services to travelers visiting nearby Yellowstone National Park.