Mosquito Peak Climber's Log

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shanahan96 - Oct 14, 2007 10:48 pm Date Climbed: Oct 13, 2007

annoying pest  Sucess!

fourth mountain of a fairly long day. all the ups were starting to get to us by then. found a broken summit register canister up top.


Brian Kalet

Brian Kalet - Sep 10, 2007 12:06 pm Date Climbed: Sep 9, 2007

South Ridge (ascent); North Ridge (descent)  Sucess!

From "Repeater Peak". To Treasurevault Mountain, Mount Tweto, Mount Evans B & London Mountain. 6 hours roundtrip.


Gahugafuga - Jul 30, 2007 1:35 pm Date Climbed: Jul 29, 2007

7 peak traverse  Sucess!

London to Loveland, peak #3.

Eric Holle

Eric Holle - Apr 10, 2007 1:05 pm Date Climbed: Apr 4, 2007

Wrap it up!  Sucess!

The final peak coming from Arkansas, Tweto and Treasurevault. Plenty of wind and great views, good hiking with Tim and Ben. Some interesting old machinery on the mountainside.

Timothy Pearl

Timothy Pearl - Apr 4, 2007 3:18 pm Date Climbed: Apr 3, 2007

#4  Sucess!

The fourth after Arkansas-Tweto-Treasurevault. Cons: Mean wind, ugly machinery on the N slope. Pros: with Eric and Ben, views are sweet. Fulfilling hike!


Mots010 - Dec 10, 2006 12:37 am Date Climbed: Oct 29, 2006

Treasure Vault and Mosquito Peak  Sucess!

CMC Hike. Bruaght snowshoes, although never used them. Definitely had to be wary of avalanche risk.


Haliku - Nov 5, 2006 3:54 pm Date Climbed: Nov 4, 2006

3 Peak Traverse  Sucess!

Climbed with Chicagotransplant who I met on Rainier this past summer. While it was a 60 degree day in Denver we had wind, snow and at times whiteout conditions--a perfect November day! Snow loading is already starting so keep an avalanche frame of mind if you climb these peaks during Colorado winter.


chicagotransplant - Nov 4, 2006 11:21 pm Date Climbed: Nov 4, 2006

3 peak traverse  Sucess!

Climbed with Haliku as part of a Treasurevault-Mosquito-London combination. Was able to drive to about 11,500 on the road still, not too much snow but definitely bring gaitors as there is a good deal of mid-calf postholing in the basin and even on parts of the ridges. Unfortunately white out conditions led us astray on the ridge and we missed "Repeater" and had no views, guess I'll have to come back!


markhyams - Mar 5, 2006 6:22 pm Date Climbed: Jul 28, 2000

E Slopes  Sucess!

This is one of the more beautiful areas of the Mosquitos. Definitely worth a visit.


miztflip - Oct 7, 2005 3:18 pm

Route Climbed: Tweto/Treasurevault/Mosquito/London Date Climbed: 7 October, 2005  Sucess!

Mosquito was among several other peaks I linked up in the area.

Started from the 2wd TH, at 7am, and climbed the south slopes of Tweto to it's summit. From there over to Treasurevault on to Mosquito and UN 13,548. From there I descended its east ridge and then up London's West Ridge.

Great high ridge walk on a beautiful bluebird fall day. Mosquito had a great vantage for the surrounding area.

Finally got to the car at 11:30 am.


ColoradoScott - Feb 14, 2005 1:10 pm

Route Climbed: Southeast Ridge Date Climbed: August 20, 1989  Sucess!

In the summer this is a nice high altitude stroll. The SE ridge of Mosquito has some loose rock, but isn't too bad.

Our climb did the north triple, starting at the Mosquito Creek Crossing, which is accessible by cars in the summer. Above this the road gets worse and is high-clearance or 4WD, and the whole road to the pass is often blocked through mid-summer by snowfields at the North London Mine.

After summitting Mosquito by its SE Ridge, we continued to Treasurevault and then following the ridge NE for over a mile, summitting 13,672' Mt. Tweto (shown as USLM Divide on older maps). From there our descent was made down Tweto's south face to a small lake at 12,940' and then to the east to intersect another trail at just under 12,600'. This trail leads south through the valley, avoiding most of the willows, and intersects the TH just east of Mosquito Creek.

Note: We did this route in summer. The south face of Tweto and it's connecting ridge to Mt. Buckskin may be prone to avalanches. The whole route in summer is Class II.


Kane - Feb 13, 2005 12:01 am

Route Climbed: Treasurevalt/Mosquito/London Mountain Date Climbed: late Nov 2004  Sucess!

These are great mountains for acclimating for winter climbing. They are high mountains and you get all of the elements.


sarsfield - Feb 12, 2005 1:52 pm

Route Climbed: Southeast Ridge Date Climbed: 02/05/2005  Sucess!

Good winter route for a one day climb. For a winter climb you need to be very careful about the avalanche danger. The steep 300 foot section described in the southeast Ridge route is the area of most concern. On the final approach, the last two steep sections, if you stay to the far right on the ridge you will be clear of possible avalanches. I do not know of a way to avoid the 300-foot steep section. The day we climbed this the avalanche danger was low to moderate.

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