Harmonica Arch Trail

Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Moderate
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.
3-4h
Distance
This reflects the return distance of this route as measured by the GPS file.
10.8 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.
367 m
User Ratings
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Directions to Trailhead

The Harmonica Arch Trail is a crowd-favourite; locals and visitors are impressed by this scenic wilderness venture. Hike through the dense woodlands up to a stone outcropping where lies one of Colorado’s largest and longest arches. The Harmonica Arch is a striking sight, and the 360-degree panoramic views from this geological masterpiece are just a bonus.

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Route Description for Harmonica Arch Trail

You will not regret hiking the Harmonica Arch Trail. This stunning path impresses 100% of its adventurers. Note that self-issued permits are required and can be found at the trailhead. This path, though trafficked, is one of a kind. Gradually climbing in the initial segments of the hike, the rearmost ascent to arch is challenging. Be prepared to scramble up the steep, technical terrain to the overlook. Pack plenty of water and wear layers as insurance against windy conditions at the exposed arch.

Begin your journey to Harmonica Arch from the Goose Creek Trailhead. From the trailhead, track along the path and veer right at the first intersection. Cross Goose Creek and trek along the path as it guides you below tree shade. Travel along the babbling creek and you will pass several dispersed campsites. Hike along the trail and you will eventually have to divert from the marked Goose Creek Trail up to Harmonica Arch. Though trail markers are sparse, you will be able to notice the frequented path in the northwest. Use the trail GPS to help you navigate the primitive path.

Continue hiking along Goose Creek until you reach the forested gulch. Climb up the steep, rocky valley, following the cairns. Mind your footing as you scramble up the rocky terrain to an unforgettable overlook of the surrounding verdant and mountainous landscape that are the backdrop to the Harmonica Arch. Revel in the anomaly that is the granite arch and explore the rock summit. When you are ready, retrace your steps back to the parking lot.

Getting to the Harmonica Arch Trail Trailhead

The Harmonica Arch Trailhead is located at the end of FR558 off FR211.

Route Information

  • Backcountry Campground

    Dispersed Backcountry Camping

  • When to do

    May-November

  • Pets allowed

    Yes - On Leash

  • Family friendly

    Older Children only

  • Route Signage

    Poor

  • Crowd Levels

    High

  • Route Type

    Out and back

Harmonica Arch Trail Elevation Graph

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