The Blue Sky Trail stretches approximately 15 miles when combined with connecting routes, including sections that link Horsetooth Mountain Open Space with Devil’s Backbone. It’s predominantly a single-track trail, making it ideal for hikers seeking both a well-maintained path and the solitude of nature. Highlights include expansive views of the Front Range, rolling grasslands, and dramatic rocky formations. The trail's gentle elevation gain makes it approachable for intermediate hikers, while seasoned adventurers can create longer loops for a challenging day.

Key Attractions Along the Way One standout feature of the Blue Sky Trail is its 2.5-mile segment leading to the Indian Summer Loop, an area featuring a mix of open meadows and shaded stretches. During spring and summer, wildflowers such as lupines and sunflowers bloom profusely, creating vibrant scenery. Keep an eye out for wildlife including mule deer, black-billed magpies, and even raptors soaring above. A southern extension near Devil’s Backbone provides close-up views of the keyhole rock formation, a popular geological highlight.

Trail Amenities The Blue Sky Trailhead offers a parking area, restrooms, and a clearly marked starting point. Signage along the route ensures easy navigation, while benches at scenic viewpoints provide opportunities to rest and enjoy the surroundings.

This trail lies within an important ecological transition zone, where ecosystems from the Great Plains and the Rocky Mountains converge. As such, visitors gain unique insights into the region's biodiversity. This area also features remnants of historic ranching operations, visible in some trail-side structures and interpretive signs.

Best Times to Visit: Spring and fall for pleasant temperatures; expect crowds on weekends.

What to Bring: Plenty of water, sun protection, snacks, and sturdy shoes.

Directions: From Fort Collins, take US-287 South, then turn west on CR-38E. The Blue Sky Trailhead is about a 20-minute drive.