This 15-mile route takes urban hikers from Gunbarrel to South Boulder along dirt trails, multi-use paths, and sidewalks, through natural areas and neighborhoods, with scenic viewpoints and plenty of rest stops along the way. Choose your own adventure and start at any of four points. The adventure begins at 9:00 am at Tod's Espresso in Gunbarrel and ends at 5:00 pm at Neptune Mountaineering Cafe in South Boulder.