23 Boulder Hikes & Trails for All Levels

Updated June 4, 2024
Abigail Bliss
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The author, Abigail Bliss with her brother at the Royal Arch

I’m a Colorado local who loves the outdoors and in this guide, I’ll point you to the absolute best Boulder hikes! 
This round-up features Boulder hiking trails for every skill level and preference. Many trailheads are minutes from downtown, while others call for an exciting day trip. 
Sights include summits, canyons, waterfalls, rock formations, wildflowers, wildlife, and more! I cover all of the popular trails in the area, plus lesser-known places to break away from the crowds.    

23 Best Boulder Hikes
Mount Sanitas and Sanitas Valley Loop
A challenging, rocky route with views of Boulder, the Flatirons, and the Continental Divide.

Scenes from when I hiked Mount Sanitas with a group of friends

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Abigail Bliss is a Colorado-based writer who aspires to work from the road. An avid hiker, skier, and canyoneer, she shares a unique perspective of the American West, highlighting destinations less traveled. When she isn’t exploring the outdoors with her husband and two dogs, Abigail manages her freelance marketing business, Campsite Creative.