Arapahoe Ave., and 6th St. to Canyon Ave. The Boulder Canyon section is be closed to uphill vehicle traffic until you turn left turn onto Magnolia Road near mile 6. The beginning of Magnolia Rd. is ...

Recent visitors raved about the stunning views, adding that this is a must-do when in Boulder. If you aren't up for a several-mile uphill hike, you can drive to the summit by following Flagstaff ...