From the trailhead at Chautauqua Park, count on a total of about 2-4 hours of hiking depending on how fast you are and how many photo breaks you take. In winter, with a snow packed trail, traction of some kind is a must.
Pack a sack lunch and enjoy the fine views as you fine dine.
Some selected images:
Royal Arch, Pre-Dawn Stars. Boulder, Colorado, 2014City View, Stars. From Royal Arch, Boulder, Colorado, 2014 (Can you pick out the commuters on South Boulder Road, and on Highways 36 and 93?)Royal Arch, Boulder View. Boulder, Colorado, 2014Flatirons Still Life. Boulder, Colorado, 2014Approaching Dawn, Urban Horizon. Boulder, Colorado, 2014Boulder View, Approaching Dawn. Boulder, Colorado, 2014Pre-Dawn Glow at Royal Arch. Boulder, Colorado, 2014Sunrise Over the Great Plains. From Royal Arch, Boulder, Colorado, 2014