Steamboat Springs is a Home Rule Municipality that is the county seat and the most populous city of Routt County, Colorado, United States. The city known as "Steamboat," "The Boat," or "Ski Town USA" had a population of 9,815 at the U.S. Census 2000. The town is an internationally known winter resort destination. The Steamboat Springs tourism industry is highlighted by Steamboat Ski Area, which is on Mount Werner in the Park Range just east of the town. It also contains the much smaller Howelsen Ski Area. It is located in the upper valley of the Yampa River, along U.S. Highway 40 just west of the Continental Divide at Rabbit Ears Pass. It is served by Yampa Valley Airport.It is also the setting of Avi's The Good Dog.