National Geographic's Trails Illustrated map of Boulder and Golden provides a detailed exploration of central Colorado's Front Range. Developed in collaboration with local land management agencies, this map highlights Boulder Mountain Park, Clear Creek, Golden Gate Canyon State Park, Alderfer/Three Sisters Park, Lookout Mountain, and Red Rocks amphitheatre.
- Extensive Trail Coverage: Miles of marked trails for hiking, biking, horseback riding, and motorised vehicles. Includes legends for White Ranch, Alderfer/Three Sisters, and Apex parks.
- Detailed Points of Interest: Covers Boulder Mountain Park, Golden Gate Canyon State Park, Red Rocks amphitheatre, and communities like Lyons, Boulder, Golden, Morrison, Aspen Park, and Evergreen.
- Recreation Features and Scenic Routes: Notes campgrounds, trailheads, interpretive trails, boat launches, fishing spots, swimming areas, and the scenic Lariat Loop byway.
- Topographic and Practical Information: Provides contour lines, elevations, trail etiquette tips, survival advice, and contact details for safe exploration.
Every Trails Illustrated map is printed on "Backcountry Tough" waterproof, tear-resistant paper with a full UTM grid for GPS navigation. Other features include Arapaho National Forest, Boulder, Golden, Pike National Forest, Roosevelt National Forest, Superior, and Thorodin Mountain.