Mt. Thielsen
Hike Details:
Mileage: 9.5 miles out and back w/ 3,750 ft. elevation gain
Approximate hike time: 4 hours 45 minutes w/ an average pace of 2 mph (it is difficult to do this hike much faster than an average of 2 mph)
Difficulty: Difficult to very difficult
Trail usage: Medium
General location: 80 miles northeast of Medford - Umpqua National Forest - Mt. Thielsen Wilderness
Suggested seasons: Summer, fall
(Best time to go is late August, September and October).
Permits required: Self issue wilderness permit Memorial Day - Oct. 31 & Northwest Forest Pass for parking
Pit toilet at trailhead: Yes
Trail allows: Dogs, camping, horses (up to the PCT), snowshoeing & cross-country skiing
Possible dangers: Class 4-5.1 rock climb to summit, loose rocks, afternoon thunderstorms in July and August
Approximate hike time: 4 hours 45 minutes w/ an average pace of 2 mph (it is difficult to do this hike much faster than an average of 2 mph)
Difficulty: Difficult to very difficult
Trail usage: Medium
General location: 80 miles northeast of Medford - Umpqua National Forest - Mt. Thielsen Wilderness
Suggested seasons: Summer, fall
(Best time to go is late August, September and October).
Permits required: Self issue wilderness permit Memorial Day - Oct. 31 & Northwest Forest Pass for parking
Pit toilet at trailhead: Yes
Trail allows: Dogs, camping, horses (up to the PCT), snowshoeing & cross-country skiing
Possible dangers: Class 4-5.1 rock climb to summit, loose rocks, afternoon thunderstorms in July and August
(the Mt. Thielsen trailhead parking lot)
Description:
Mt. Thielsen is a difficult mountain to summit located in the Southern Oregon Cascades. It is honestly more of a climb than a hike, but there are various different stopping points, making sections of this trail attainable for just about everyone. The last 80 feet to the summit are definitely not for the faint of heart and you should have some rock climbing experience before attempting it.
(the Mt. Thielsen trailhead)
The trail starts out through the woods as it gradually heads uphill. The first part of this trail is marked with blue diamonds on the trees because this area is also winter recreation friendly. You will cross seasonal Porcupine Creek and shortly after that, at the 1.4 mile mark, you will come to a trail junction.
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The trail to the left is the Spruce Ridge Trail, which in 2.5 miles will take you to the Howlock Mountain Trail (also a popular hike). You will follow the Mt. Thielsen Trail sign and continue straight. At the 3.75 mile mark you will have already gained 1,930 ft. of elevation and that is when you will come to the Pacific Crest Trail junction. To the left you will see PCT northbound and to the right PCT southbound. If you do not want to summit Mt. Thielsen but you want to enjoy the views and possibly also some backpacking, you can head northbound for just a little over 2 miles to Thielsen Creek, a beautiful camp spot along the PCT with a nice view of the mountain.
(sign at the PCT junction)
If you want to keep going on the Mt. Thielsen climber trail, continue straight through the PCT intersection. Just a little ways up the trail you will find an awesome viewpoint. This is where most people who do not want to summit the mountain will stop, enjoy a snack or lunch and turn around. At this point you will have gone 3.8 miles already, making it an 7.6 mile moderate level hike.
(Mt. Thielsen viewpoint - good turn around spot if you don't want to summit)
After the viewpoint is where the trail starts getting a little bit faint. There are multiple foot paths winding through the small trees until you get above tree line. From there on out it is just rocks and you have to know where you are going, otherwise you can easily end up on the wrong side of the mountain, which is not safe!
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Above timberline you will start seeing all of the really neat rock formations that you don't really get to see when looking at the mountain from a distance. These large rock spires are red, orange and have slight hues of blue in them as well.
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(this picture is a good depiction of just how steep it is)
(the "rock wall" you need to climb to stay on the climbers route)
The rocky slopes of Mt. Thielsen are slippery and incredibly steep! At the 4.45 mile mark, the trail no longer becomes obvious at all as you are faced with what looks like a rock wall. It is not intuitive to want to climb up this, but this is indeed the route to take. If you take what looks like the "safer" route to the right, you will end up in a sliding scree field that is incredibly difficult to cross without sliding hundreds of feet downhill. Climbing up this "rock wall" is treacherous because the rocks are loose. If other hikers are coming down as you are going up, be very careful as their footsteps can send rocks flying at your head. There are many hikers who climb Thielsen with helmets for this exact reason.
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After getting up the "rock wall" you will start seeing some rock cairns, as well as Thielsen's 80 foot spire. From here the trail wraps around the spire to the right as you climb up to what's known as "Chicken's Ledge". If you have made it to this point, you are by no means a chicken! It is quite an accomplishment to make it that far up the mountain and the views are incredible from 9,100 ft.!
(wrapping around the right side of the spire to Chicken's Ledge)
(view of the spire from Chicken's Ledge - picture by Shaylene Murry)
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(geological survey market at the summit - picture taken by Nicole Butterfield)
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If you are brave and skilled enough, from "Chicken's Ledge" you can continue on the last 80 feet up to the summit. This is a class 4-5.1 rock climb and you will have to be able to go up and come back down on your own. Some folks do bring ropes for this section. This is definitely NOT for the faint of heart and even just sitting at chicken's ledge can make most people dizzy. A fall from the spire can easily cost you your life. The summit of Mt. Thielsen is not very big, so be careful if there are a lot of people climbing up at one time. From the top you will have 360 degree views of all of Southern Oregon. You can see Mt. Bailey (which looks so tiny from up there), Diamond Lake, the rim of Crater Lake, Mt. McLoughlin, Mt. Shasta, Tipsoo Peak, Diamond Peak and on a very clear day even the Three Sisters.
(Mount Bailey & Diamond Lake from the summit - picture taken by Nicole Butterfield)
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(steep drop off from the summit of Mt. Thielsen - picture taken by Nicole Butterfield)
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If you have summited Mt. Thielsen, congratulations! It is one of the toughest Oregon Cascade mountains to climb. Be careful coming down the mountain as the rocks are loose and slippery and one can easily slip and fall, especially after the adrenaline rush from climbing the spire. Having collapsible trekking poles really help for climbs like this one because as soon as you have to use 3 points of contact, you can easily put your poles away.
(Mt. Thielsen summit view - picture taken by Nicole Butterfield)
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(a person on top of Mt. Thielsen's spire)
Overall, Mt. Thielsen's summit is not for the faint of heart or the inexperienced climber, but don't be discouraged if you didn't make it to the summit. There are so many stopping points along the way if the rocks, the steepness or the heights make it feel unsafe, or if weather conditions change. Mt. Thielsen is known as the Lightning Rod of the Cascades and in the months of July and August there are frequent afternoon
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thunderstorms. Do not get caught above tree line during a storm! This summit climb is rated very difficult because of the lack of obvious trail, the loose rocks, and the class 4-5.1 rock climb you have to do to reach the top.
Directions:
From Medford
- Drive on OR-62 E for a total of 49.5 miles, then at a fork take a slight left onto OR-230 N and stay on this road for 23.8 miles. Turn left onto OR-138 W for 1.5 miles and find the trailhead on your right. (Total of 81.8 miles)
- Drive on US-97 S for 74.5 miles, then turn right onto OR-138 W and stay on this road for 19.2 miles. Find the trailhead parking lot on your right. (Total of 94.3 miles)
- Drive on OR-58 for 86.2 miles, then merge onto US-97 S and stay on this road for 17.9 miles. Turn right onto OR-138 W and stay on this road for 19.2 miles. Find the trailhead parking lot on your right. (Total of 131 miles)
- Total of 192 miles via Eugene.
- Total of 236 miles via Eugene.
*All pictures unless otherwise marked are taken by Franziska Weinheimer.
*Disclaimer: The trail descriptions, mileage, GPS tracks and difficulty ratings depicted on this website are never 100% accurate. Always hike at your own risk, using your own knowledge, equipment and common sense.
Franziska Weinheimer/Hike Oregon are not responsible if you or anyone in your party gets injured or lost while attempting one of these or any other hikes.
Franziska Weinheimer/Hike Oregon are not responsible if you or anyone in your party gets injured or lost while attempting one of these or any other hikes.