Toponas is an unincorporated community in Routt County, Colorado, United States.
Entering Toponas on State Highway 131.
Routt County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 24,829. The county seat is Steamboat Springs. Routt County comprises the Steamboat Springs, CO Micropolitan Statistical Area.
Entering Routt County from the west on U.S. Route 40