Walk 6.8 miles out and back on a rocky singletrack path into an intimate ravine streaming with cold, blue mountain waters. The hike ends at a quiet Appalachian high point.

Hike, bike, or snowshoe this 3.1-mile loop to pioneer ruins and a relaxing waterfall in Patapsco State Park, a short drive from downtown.

Sample suburban recreational trails on this easy 3.8-mile Niwot route that showcases views of the Front Range along it's eastern fringe.

Rocky scrambles and a knife-edge ridge lead up one of the most challenging Fourteeners. Stellar views over the untamed Elk Range are endless.

Bag two peaks on this 9-mile, fido-friendly loop around Boulder's signature Flatirons.

Ascend North America's tallest dunes for a day surrounded by alpine peaks, a desert valley, and shifting mountains of sand on this 6.6-mile loop in America's newest national park.

Hike into the core of Indian Peaks Wilderness on this 13.6-mile overnight, which leads past waterfalls to a sunbleached valley and a sweet lakeside campsite.

Paddle the Buffalo National River into a narrow valley pinched by steep rock walls, then hike up to the largest waterfall in the Midwest on this 9.9-mile trip.

This short hike threads through a hoodoo-filled climbing mecca with outrageous scenery and countless sidetrip options.

Thanks to only a little elevation gain, this 7-mile loop offers flatlanders great rewards (big views, wildlife, solitude) without much suffering. Pack plenty of water and sunscreen.