I debated with myself about whether to share this hike with all of you, because this wasn’t exactly a typical excursion. Reaching Harmonica Arch required quite a lot of navigation. We climbed very steep hills… and then had to hike back down them, which was extremely slippery. We walked across large rock slabs that were tilted at very awkward angles. We scrambled over some rocks. There was some exposure. And we also had to sift through a meshwork of social trails to figure out which one was the correct one.
In the end, I decided to go ahead and write about it. But before I share the details and photos, I want to add a bit of a disclaimer: this is not a hike for beginners. If you’re not comfortable with navigation, this is not a good hike for you. If you don’t know how to read a topo map, this is not a good hike for you. If you’re wary of heights, this is not a good hike for you. If you decide to go to Harmonica Arch, please make sure you’ve researched and prepared properly to avoid becoming lost or injured.
Harmonica Arch is located in the Lost Creek Wilderness, which is a really unique area of Colorado. If you’re looking for alpine lakes and sheer mountain ridges, you won’t find them here. But if pine forests and unique rock formations is your thing, Lost Creek Wilderness is the place to be. Unfortunately, there was a large wildfire in the area many years ago and it hasn’t recovered well. It was a long drive in on a dirt road to get to the Goose Creek Trailhead, and most of the drive was through wide open areas full of burned trees with very little new growth.
My friend Kaylyn and I began our hike on the Goose Creek Trail which is well established and signed. After crossing the creek on a very sketchy bridge, we looped around into unburned forest where we would remain for the rest of our hike. We followed this trail for about a mile (1.6 km); just before a less sketchy bridge, we veered off onto a trail that remained on the same side of the creek.

This is not an official trail. It’s not maintained by the Forest Service and it’s not on most trail maps (hence the importance of having strong navigational skills). AllTrails reports that the trail is closed, although there is absolutely no signage or any indication of this anywhere, and other sources do not indicate a closure. I think the “closure” was maybe more of an attempt to dissuade ill-prepared hikers from attempting to reach the arch.
Although it’s not official, it’s a decently established social trail and we didn’t have too much trouble following it. But because it’s not maintained, there are a lot of bushes encroaching on the trail. I recommend wearing sunglasses; without them, you may end up with a tree branch in your eyeball.

The most challenging part of following this social trail is the other social trails that branch off at various points (this area is popular for climbers and hunters; there are numerous trails). There is absolutely no signage and it was difficult at times to figure out which trail was the correct one. We took a couple wrong turns before realizing our mistake and backtracking. To reach the correct trail, continue along Goose Creek until you can see Harmonica Arch and the adjacent very obvious – and rather phallic – rock directly above you. It’s at this point that you should begin to follow the trail that leads up the hill.
And so up we went. Steeply. It was a calf burner. But as we climbed, we eventually began to see cairns marking the route, which made it much easier to stay on the trail. About 800 vertical feet (243 m) later, we emerged from the forest onto a giant rock slab. At this point, there are no more cairns and you can’t see the arch or the phallic rock so you really just have to know where to go. Head diagonally to the left; you’ll walk through kind of a bowl-shaped area and then climb up the opposite side.



Once you reach the edge of that rock slab, make your way across to the next giant rock slab and curve to the right. When you reach a line of large boulders, walk alongside them; you’re now above and just to the right of the arch. Go around the end of the boulders. This is the high point and the phallic rock will now be very obvious. Turn left and follow the rock slab down; it’s tilted at an awkward angle and isn’t easy to walk on. This part would be extremely dangerous if the rocks were wet or icy.
There was no one else at the arch, so Kaylyn and I scoped out a fairly flat picnic rock out of the wind and enjoyed the view while we ate a snack. To the southeast, we could see all the way down the Goose Creek drainage and out to Pikes Peak. We also walked over to the arch to the extent possible, but it was too steep and exposed to climb all the way up to it.




All too soon, it was time to head back to the car. It was going to be somewhat of a slow descent given how steep some sections of the trail were. As difficult as it had been to climb up, going down was actually harder. In some places it was like walking on a steep ramp covered with marbles.


Once back down to Goose Creek, though, it was a straightforward hike along the water back to the car.
Overall, this was one of the more challenging hikes I’ve done in Colorado due to the steep off-trail sections and the route-finding required. But it was also really neat. You don’t generally hear ‘Colorado’ and ‘arch’ in the same sentence… but this state – and the Lost Creek Wilderness – continues to surprise me.
The Important Stuff
- Getting there: Goose Creek Trailhead is located off Goose Creek Road, a long dirt road southwest of Deckers. There were a couple steep sections, but it was well maintained. We drove a Camry and made it just fine
- Fees and passes: none
- Hiking: for us, it was 6.5 miles (10.5 km) round trip with about 1300 feet (400 m) of elevation gain; exact stats will vary depending on the route you take from Goose Creek up to the arch
- Where to stay: we saw a few people dispersed camping along Goose Creek Road, but this is also easily done as a day hike from Denver, Colorado Springs, or anywhere in between
- Other: just to reiterate what I said above… please do your research and prepare before you head out to avoid getting disoriented or lost on one of the many social trails that meander through the area
I was so intrigued reading about your hike. It’s not something I would ever dare to attempt even in my younger days, but I enjoyed seeing your photos and reading about the challenges.
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Thanks for stopping by, glad it was an enjoyable read 🙂
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Informative article. thanks for sharing
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Thank you!
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Reblogged this on Indian Travel + Life.
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Wow, what a cool place! It definitely is unique for Colorado.
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It sounds like a challenging hike, but completely worth the effort for those stunning views. I know I would have got lost, so well done for keeping with the route!
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It was certainly a challenge but a pretty unique place to see.
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The ‘Goose Creek’ photo is really pretty. No handstand?
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Not this time… the rocks in front of the arch were at a bit too weird of an angle to manage that.
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I’ve been meaning to get down there to do this one! Did the Goose Creek Trail to the bunkhouse a year or so ago, and stared at the arch in the distance lol.
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Gonna have to look into this bunkhouse, I don’t remember coming across that!
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It’s further down Goose Creek than where you turned off. Couple old buildings and some old equipment from when they tried to dam Lost Creek. https://www.alltrails.com/explore/trail/us/colorado/shaft-house-via-goose-creek?ref=result-card
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What a beautiful adventure. I hope I get to visit someday.
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Oh my – that really IS phallic! Amazing arch, though. Despite my Colorado Outward Bound semester course all those years ago, I couldn’t navigate my way out of a paper bag. I’d best stick to well-marked trails and “hike” the poorly marked ones by reading your blog. 🙂
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Well in that case, I’m glad I could bring you along on this one virtually!
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Wow, what a wonderful hike and views – it’s always amazing to see that there are still places that are so remote and resistant to development, they simply can’t be tamed 🙂 It looks and sounds like an amazing place to explore, but I would most likely get lost – while I have a good mental map of my neighbourhood, I’d be helpless in the wilderness. Thanks for sharing and have a good day 🙂 Aiva xx
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Wow what a hike! I am glad I can read about it here because Im so directionally challenged and would still be trying to find my way back ha!
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It sure looks like an adventure with some incredible scenery – I am utterly terrible with maps though. I once ended up on a 3 hour drive detour in France because I had the map upside down and couldn’t work out why I kept ending up in the wrong place (this was pre-sat navs and I was on my own), so I don’t think I’d stand a chance on this hike! 🙂
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Oh no! It’s definitely a skill that takes some practice… I’ve taken my fair share of wrong turns over the years as well.
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Wow! So cool. I’m likely too chicken to do that now, but in my younger years I would have loved it! Fun read
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I see why it’s called Harmonica Arch, what a great feature! Thanks for sharing this, but I understand the hesitancy. I think you included good info to deter those that shouldn’t go. Maggie
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I can see why they call it the Lost Creek Wilderness. A great challenging hike, but if you are unprepared or unlucky, you will indeed by Lost. Thanks for sharing Diana. Allan
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As someone who is terrible with navigation, this is definitely not a hike for me! I’m not a fan of trails that are not well-signed and branch off in different directions. Getting lost is one of my biggest concerns while hiking (that and bears). The views from the bowl-shaped area are gorgeous. Glad you managed to find your way there and back.
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Thanks for sharing this awesome hike and the many pictures.
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As someone who is awful with directions, I would not be doing the Harmonica Arch anytime soon! Truly looks to be off-the-beaten-path, but the wild nature is even more beauty in the process! The phallic-looking rock got me; it’s the small things that are really the treat while on a hike!
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