Presents detailed information on forty-five rides in the San Juan Mountains of southwest Colorado. A fat-tire mecca, the Durango/Telluride region has hundreds of miles of superb trails set in some of the world's most spectacular high-country scenery. The book features comprehensive trail descriptions, accurate elevation profiles, detailed directions, mile-by-mile directional cues, and the GPS-quality, shaded-relief maps introduced to mountain biking guides by Globe Pequot's Mountain Bike America series.