Urban Hikes Denver introduces users to more than 80 miles of trails easily within reach from downtown Denver for quick and not-so-dirty jaunts during a lunch break or a layover. And although these routes are much more humble than the extreme backcountry peaks that Colorado is commonly known for, what they lack in elevation gain, sweeping vistas and physical demand they make up for by offering the simple pleasures of fresh air and nature to the masses on a daily basis.