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    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    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.
    475 m
    This reflects the return distance of this route as measured by the GPS file.
    8.4 km
    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.
    User Ratings
    These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
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    Directions to Trailhead

    Halsey Basin Loop


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    Table of contents

    Hiking the Hasley Basin Loop is a great experience in Colorado that will provide some stunning views over the Elk Mountains. While out on the trail, you will hike uphill alongside the East Fork Crystal River, enjoying the scenic views of the surrounding landscape before working your way into the basin. This trail features a moderate amount of elevation gain but isn’t overly difficult, making it ideal for casual hikers looking for a challenge.

    Route Description for Halsey Basin Loop

    Whether you plan on summiting a nearby peak or are solely looking to explore the scenic terrain of the basin, the Hasley Basin Loop is an excellent trail if you want to explore the stunning landscape of the Elk Mountains without encountering too much difficulty.

    Setting out from the trailhead, you will make your way to the northeast alongside the banks of the East Fork Crystal River and begin climbing uphill. Here, you will have views of the forest on your right and the rugged mountains to the left.

    After walking alongside the river, you will branch off to the northwest and begin climbing more sharply uphill, taking some time to enjoy the increasingly beautiful views of the Elk Mountains, before arriving at the edge of the Hasley Basin. Take a few moments to rest up, before heading downhill to the southwest on the return to the trailhead where you started.

    Getting to the Halsey Basin Loop Trailhead

    The starting point for the Hasley Basin Loop can be found at the West Maroon Trailhead on FS 317, roughly 2.4 km north of Emerald Lake.

    Route Information

    • Backcountry Campground:


    • When to do:


    • Pets allowed:

      Yes - On Leash

    • Family friendly:

      Older Children only

    • Route Signage:


    • Crowd Levels:


    • Route Type:


    Halsey Basin Loop Elevation Graph

    Weather Forecast

    Check Area Weather


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