Mount Thielsen Climber's Log

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Snowslogger - Dec 30, 2009 3:48 pm Date Climbed: Sep 5, 1999

Last major Oregon volcano  Sucess!

This was my last major Oregon volcano climbed, and a fun one. We roped up for it having never been here before, which probably wasn't necessary, but made it fun.
Second time took my teenage son, his friend, and dad up - definitely roped them up.

jcking2447 - Dec 6, 2009 11:00 pm Date Climbed: Aug 8, 2009

By far the best climb yet  Sucess!

Camped at the trail head then started hiking early in the morning. The best part is the last 80 feet! craziest climb iv done yet, but well worth it!


alpinedon - Nov 21, 2009 7:57 pm Date Climbed: Aug 15, 2008

5th time  Sucess!

Not so sure what the date was on this one, only that it was in August with my friend Scott. We got to the summit in less than three hours.


alpinedon - Nov 21, 2009 7:56 pm Date Climbed: Sep 16, 2007

4th time  Sucess!

This was my last climb of the mountain in 2007, went solo and got to the summit in 2:45, by far my best time. All told, took me a hair over five hours to do the whole thing, car to car.


alpinedon - Nov 21, 2009 7:54 pm Date Climbed: Sep 8, 2007

3rd time  Sucess!

Came back to Thielsen two months after my second ascent, to climb the mountain with my brother and my nephew, who didn't complete the summit.


alpinedon - Nov 21, 2009 7:53 pm Date Climbed: Jul 5, 2007

2nd time  Sucess!

This was my triumphant return to Thielsen, nearly ten years after my 1st climb. Went with Mike, my companion on the first, and his friend Art. What I remember the most is the hundreds of thousands of butterflies swarming the mountain that day.


alpinedon - Nov 21, 2009 7:51 pm Date Climbed: Sep 20, 1998

1st climb ever!  Sucess!

This was my very first climb, full of adventure and craziness! My friend Mike first accidentally let his car roll off the embankment at the Apple Creek Trailhead, but luckily some hunters came by with a winch and pulled us out. I remember being terrified by the climb (ropeless) and the downclimb especially. I was hooked, though, and will always remember this particular climb.


jamesmh - Nov 17, 2009 1:08 am

Cool summit block  Sucess!

I really liked the little 80 foot climb up the summit block. For a mediocre rock climber this should be cake (both up and down). Fantastic view from the top... I'm pretty sure that I remember actually looking down into Crater Lake. Way cool.


RyanMountain - Oct 4, 2009 7:52 pm Date Climbed: Sep 29, 2009

Lovely fall day  Sucess!

After having drooled over thielsen for three years, I finally found the time to hike up there. The hike was no disappointment, and now the mountain is probably one of my favorites. The route is truly fun- lovely scenery, interesting geology, and a lil bit of excitement near the top. The crazy rock formations are probably the best part of the trip, right next to being able to see the water in Crater Lake from the top.

Finally, I've noticed there are a lot of conflicting reports on the difficulty of the summit block. Here's the down and dirty: The last bit of climbing is 80 to 100 feet in length over very good, solid rock. Yes, it is damned near vertical and could be rated a 5.1 climb. Although quite easy with lots of good holds, the summit is quite exposed; if you mess up and fall, you will probably plummet about 2000 feet to your death. No, there are no anchors on top; bring some slings. Rappelling off the top is hella fun. If you don't have a rope, the downclimb should be pretty easy. Summary: Unless you're a little girl, you can do it.

Have fun!


rmick25 - Sep 4, 2009 3:45 pm Date Climbed: Aug 9, 2007

Great day hike  Sucess!

One of my favorite Oregon summits. Witnessed one of the grandest sunset's of my life just below the summit!


apachedino - Jul 5, 2009 2:52 pm Date Climbed: Jun 25, 2009

Fun scramble  Sucess!

Just wish the 4th class was longer. It was so much fun, but shorter than I thought.

ikedog50 - Mar 5, 2009 12:15 pm

Did it  Sucess!



Pallando - Nov 24, 2008 10:25 pm

Two trips  Sucess!

Went up with some friends and loved it! So the next weekend, went up again with two different friends.
I don't know what to call this route... Came north on the PCT and lost the trail promptly. Came over the SW ridge and into the bowl, then turned East and went straight up the snow and scree face ( the first trip, we popped on top of the peak to the south first).
Nice and easy scramble up the summit block. Prepped me a little for Broken Top and Mt. Washington later in the year.
Love this mountain! Will probably be a favorite for a little while.


verdeleone - Oct 29, 2008 3:09 am Date Climbed: Oct 28, 2008

Glorious fall day  Sucess!

Slip and trudge to the top with D. The summit block was a fun challenge. Feels good to have accomplished a long-time goal.

Fred Spicker

Fred Spicker - Sep 15, 2008 8:11 am Date Climbed: Sep 10, 2008

West Ridge  Sucess!

Climbed with Moni.


Moni - Sep 11, 2008 7:17 pm Date Climbed: Sep 10, 2008

Fine day  Sucess!

With Fred. Great weather and good views.


crnhlio - Sep 2, 2008 10:29 am Date Climbed: Aug 16, 2004

West Ridge  Sucess!

Fun solo, and later the GF's first Mtn!


wrassleman07 - Aug 3, 2008 2:57 am Date Climbed: Aug 1, 2008

thielsen  Sucess!

one of the most fun mountains i have been on, crazy steep, but no gear necessary for the brave, lol, saw a 65yr old man with crazy outdoor muscles bust up the mountain and claim the top.

Dan Winter

Dan Winter - Apr 29, 2008 2:28 am Date Climbed: Sep 13, 2003

West Ridge  Sucess!

My partner and I opted to bring a 30 meter 7 Mil. rope and a set of stoppers. It was too short to rappel the summit block so we just put a few pieces in on the way down. Seemed better than a heavy pack or a risky fall.


jessbee - Mar 9, 2008 10:58 pm Date Climbed: Feb 17, 2008

Snowy wonderland

Perfect weekend for a camping trip. Melting, mixed snow and rock conditions prevented us from climbing the summit block. Super trip.

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