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: Peak to PeakTrinidad, Walsenburg, La Veta, Cuchara & the Highway of Legends6 Ways Colorado Biking is BestThe Adventure is Yours in Colorado SpringsBest Things to Do in ColoradoColorado Scenic Byway: Los Caminos Antiguos & Great Sand Dunes National Park