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    Eagle, Hidden Valley, and Cobalt Trail

    Difficulty
    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    Easy
    Duration
    This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
    2-3h
    Distance
    This reflects the return distance of this route as measured by the GPS file.
    9.7 km
    Elevation
    This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
    143 m
    User Ratings
    These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
    Be the first to add a review!
    Directions to Trailhead

    The Eagle, Hidden Valley, and Cobalt Trail is a lovely adventure along a meadow-laden loop trail. Revel in the sights of the Flatirons, foothills, Boulder Reservoir, and Hogback Ridge. Escape the city and let Colorado’s fresh air fill your lungs.

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    Route Description for Eagle, Hidden Valley, and Cobalt Trail

    The Eagle, Hidden Valley, and Cobalt Trail is a must add to your Boulder adventure itinerary. Hike in the company of mountain bikers and horseback riders as you trek along the wide, dirt path through the meadowlands. Relatively secluded compared to the neighboring Boulder Reservoir Trail, this nature walk is an awesome option for those seeking a more relaxing and quiet adventure. When hiking this path in the summer months, be sure to keep an eye and ear out for rattlesnakes.

    Embark on your journey along the Eagle, Hidden Valley, and Cobalt Trail from the Eagle Trailhead. From here, track west along the path to the first intersection. At this point, keep left, passing the Boulder Valley Ranch Pond. Hike the Eagle Trail up a small mesa, to the Mesa Reservoir. Here, veer left, and you will be diverted onto the Hidden Valley Trail. Track this path along a small stream before confronting a confusing intersection. At this junction, take the Cobalt Trail, merging onto the Sage Trail at the path’s end.

    Follow the Sage Trail through the meadowlands, revealing sights of the Boulder Reservoir. Soon you will reconnect with the Eagle Trail. Turn left and retrace your footing east along this path back to the trailhead.

    Getting to the Eagle, Hidden Valley, and Cobalt Trail Trailhead

    The Eagle, Hidden Valley, and Cobalt Trail departs from the Eagle Trailhead off N 55th Street.

    Route Information

    • Backcountry Campground

      No

    • When to do

      Year-round

    • Pets allowed

      Yes - On Leash

    • Family friendly

      Yes

    • Route Signage

      Average

    • Crowd Levels

      Moderate

    • Route Type

      Lollipop

    Eagle, Hidden Valley, and Cobalt Trail Elevation Graph

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    Eagle, Hidden Valley, and Cobalt Trail Reviews

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