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: Los Caminos Antiguos & Great Sand Dunes National ParkGo West: A Day in the Life of Colorado’s Gold Rush145 Ways to Celebrate Colorado: Spring & Summer6 Ways Colorado Biking is BestTrinidad, Walsenburg, La Veta, Cuchara & the Highway of LegendsExplore 5 of Colorado’s Epic Mountain Ranges