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    Mount Thielsen

    4.0 (1 review)

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    9 years ago

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    Broken Top Mountain

    Broken Top Mountain

    4.5(2 reviews)
    107.7 km

    Depending on your experience level and head-space, this is either an extremely heady "hike" or an…read moreeasy climb. This is 99% a hike, but once you near the summit, you will definitely have to do some rock climbing moves. They are easy moves, easier than anything you'd find in a rock gym, but the rock is a little loose. This is the Oregon Cascades after all, where the mountains feel like they are made out of epoxy and kitty litter! The summit views are tremendous though. Almost all the Oregon Cascades are visible (from N-to-S): Hood, Jefferson, The Three Sisters (this is an excellent place to photograph South Sister), Bachelor, etc. The best views though, are peering right down into the massive summit crater of Broken Top. Bring a wide-angle lens! Expect this to take a full day. I recommend starting EARLY. (before sunrise)

    This is one of my favorite mountains to climb, but also one of the more dangerous hikes I have been…read moreon. This mountain looks as if it has blown its top, but according to a couple of geology classes I have taken, the cone at the top has been eroded by glaciers. Which is almost as cool. Another noticeable feature to this mountain is its location compared to the other mountains in the Cascade Range in this area. The Three Sisters, Mount Bachelor, Mount Jefferson, and Mount Thielson are all in the same linear path. But Broken Top is west of this path. What is important about that is that when you get to the top of Broken Top you are actually given a different perspective of the other mountains. You are looking at the Cascade Moutain Range as if you are flying above them. Now if you combine this with the fact that you can drive pretty close to the base of this mountain. You have a pretty awesome combination. There are a couple ridges that you can take to get to the top of Broken Top. I have only been on the southern ridges. From what I am told, this is not the safest path to take. I don't recommend it unless you are an experienced climber. My friends and I took this path because it is the shortest. The downside is that it is fairly steep and does not lead you to officially summit the top. We both had some close calls on this ridge. The terrain is so steep that once you misstep and start sliding you have a really hard time stopping. I had started to slide on this ridge a couple of times and was very lucky to have caught my arm on some rocks before sliding off of a cliff. Next time we will be sure to take the ridge to the north. From what I am told, it is longer but much safer and takes you to the official summit. The hike itself is very beautiful. You start above the treeline somewhat and follow the trailhead. You will find an old canal and some melting glaciers in the summertime. Once you enter the valley you will see that you are inside the bowl of Broken Top. Everyone I have talked to seems to all agree that this reminds you of the video game Halo. As the bowl looks like the giant halo around the planet that you see. From here you will want to pick the ridge you plan on climbing up. I recommend passing on the south ridge and walk around to the north ridge. This trail is located in the three sisters wilderness and it important to remember that help is not close. So you will want to be extra careful. As you may not even have cell coverage. The terrain and the ecology around here are fragile, so you will want to be respectful and travel along durable paths and not leave any trash on the ground. Obey the rules and make safe decisions and you will have a five-star experience. Here is a link to the land management agency that manages this land https://www.fs.usda.gov/recarea/deschutes/recarea/?recid=38808 Here is a lin to a map and elevation gain and loss to the different routes https://www.alltrails.com/trail/us/oregon/broken-top-trail Here are some more summit tips on this mountain http://www.summitpost.org/broken-top/150574

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    Broken Top Mountain
    Broken Top Mountain
    Broken Top Mountain

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    Mount Thielsen - hiking - Updated May 2026

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