Updated and expanded 2nd edition Boulder Canyon is one of the country s most popular climbing areas, located just minutes outside of climbing-town USA: Boulder, Colorado. Its granite cliffs provide opportunities for year-round climbing, with classic sport and traditional routes, both single and multi-pitch, of all levels of difficulty. This comprehensive color guidebook details more than 1500 climbs and boulder problems in both Boulder Canyon and Dream Canyon, and provides the lowdown on rock climbing and bouldering development.