Steeped in history, Los Caminos Antiguos Scenic and History Byway wanders through the valleys and mountains of south central Colorado for 136 miles, linking today?s travelers with the traditions and cultures of the San Luis Valley. Come along and explore the natural wonders of the Great Sand Dunes, the exploration and settlement by the Spanish, the coming of the railroad and U.S. expansion, and the culture of the San Luis Valley today. Journey the depth of the American spirit through time and place.