Ascent of Twin Sisters Mountain on 2017-10-01

Climber: William Musser

Others in Party:HC Liang
----Only Party on Mountain
Date:Sunday, October 1, 2017
Ascent Type:Successful Summit Attained
Peak:Twin Sisters Mountain
    Elevation:11376 ft / 3467 m

Ascent Trip Report

Looking down the ridge line the safest route to go tackle the southern sister peak. That peak was dusted with snow and looked real fun. Spin drifts of snow swirled on the left side of the rock wall that ran up the spine so we decided to climb along the right side of the headwall. This is the best way up. Away from the headwall it is a slog of class 2 talus but along the headwall there is 2+ terrain with nice handhold protected from the wind. We found cairns up this route. There is plenty of places to select class 2 or 3 terrain to the peak. At the top, the wind blew out the snow and finally we got great views in every direction but best of all, the weather kept everyone off the mountain and we had total solitude. Long's peak was majestic in early season snow.

Then we returned the same way down to the open saddle and bushwhacked up through the pines until we could find a break in the class 5 rock of the Twin Sister Peak and found a long run of standard class 3 all the way back up to the summit of Twin Sister Peak. This time we had great views. We then scrambled back down to the windy saddle and I looked at doing the shorter twin sister peak over by the hut.After completing the true HP peak and the southern sister peak, we came back to the main saddle where the winds were still blowing very strong with gusts around 65 mph. HC and Brinson, hunkered down by the the shelter building from the wind and I ran up the second twin sister peak to make sure I had definitely touched all the peak tops.

By now the snow and graupel had mostly melted away and it was easier to get back down the main trail. Now that the cold wind and graupel had died back others were coming up the trail to the saddle. We had the entire mountain to ourselves all day but now later in the afternoon some folks were coming up. On the way down, we found a number of pinnacle rock formations along the trail and found some good Class 3 rock to climb up. We treated ourselves to some fun scrambles before returning back to the car.
Summary Total Data
    Total Elevation Gain:436 ft / 132 m
    Total Elevation Loss:436 ft / 132 m
    Round-Trip Distance:0.6 mi / 1 km
    Grade/Class:2,2+, 3
    Quality:7 (on a subjective 1-10 scale)
    Route Conditions:
Open Country, Bushwhack, Snow on Ground, Scramble
    Gear Used:
    Weather:Snowing, Cold, Very Windy, Partly Cloudy
upper 30s windy up to 60 mph
Ascent Statistics
    Gain on way in:386 ft / 117 m
        Gain Breakdown:Net: 366 ft / 112 m; Extra: 20 ft / 6m
    Loss on way in:20 ft / 6 m
    Distance:0.3 mi / 0.5 km
    Route:Scramble right side of headwall ridge
    Start Trailhead:saddle between peaks  11010 ft / 3355 m
Descent Statistics
    Loss on way out:416 ft / 126 m
        Loss Breakdown:Net: 366 ft / 112 m; Extra: 50 ft / 15m
    Gain on way out:50 ft / 15 m
    Distance:0.3 mi / 0.5 km
    Route:return the same way
    End Trailhead:saddle between peaks  11010 ft / 3355 m
Ascent Part of Trip: Twin Sisters

Complete Trip Sequence:
1Twin Sisters Peaks2017-10-01 a2478 ft / 755 m
2Twin Sisters Mountain2017-10-01 b436 ft / 133 m
3Twin Sisters Peak-West Peak2017-10-01 c593 ft / 181 m
Total Trip Gain: 3507 ft / 1069 m    Total Trip Loss: 3507 ft / 1069 m

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