Top of the Rockies - Scenic and Historic Byway Top of the Rockies - Scenic and Historic Byway, Red Cliff, CO, 80461(800) 933-3901WebsiteOverviewDesignated a National Scenic Byway in 1998. Related ArticlesColorado Scenic Byway: Frontier PathwaysColorado Scenic Byway: Colorado River Headwaters10 Colorado Motorcycle RidesColorado Scenic Byway: Collegiate PeaksColorado Scenic Byway: West Elk LoopColorado Scenic Byway: San Juan Skyway