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Ascent of Black Rock Mountain on 2011-10-29

Climber: Daryn Dodge

Date:Saturday, October 29, 2011
Ascent Type:Successful Summit Attained
Peak:Black Rock Mountain
    Location:USA-California
    Elevation:7792 ft / 2375 m

Ascent Trip Report

I used the Rat Trap Gap TH and ascended N. Yolla Bolly Mtn on the way to Black Rock Mtn. The N. Yolla Bolly Mtn climb is described in a separate report.

From N. Yolla Bolly Mtn, I descended to the saddle south of the peak, then contoured over to the ridge connecting the two peaks. I picked up the unmaintained trail that leads to the peak at a low point on the ridge. This trail mostly follows the south side of the ridge and becomes overgrown with brush and hard to follow in places once the actual climbing to the summit begins. The lookout tower on the summit is long abandoned and in poor condition. The high point appears to be a rocky outcropping about 100 feet west of the tower. A golden colored "supporting" benchmark is on this outcropping. It points to the main BM nearer the tower, but I could not find it.

On the way back, I followed the trail to a trail junction on the ridge between Black Rock Mtn and N. Yolla Bolly Mtn and dropped off the ridge heading northeast. A hard-to-spot trail junction comes about a mile later. I turned right (east) here heading back to N. Yolla Bolly Lake. After a grunt of a climb, the trail dropped down to the lake, and I continued back on trail to Rat Trap Gap where I had parked.

Total mileage including both peaks was 14.6 miles round trip. Total gain about 3200 feet for both peaks by the route I used.
Summary Total Data
    Elevation Gain:656 ft / 200 m
    Elevation Loss:656 ft / 200 m
    Distance:14 mi / 22.5 km
    Grade/Class:class 2
    Route Conditions:
Unmaintained Trail, Open Country
Ascent Statistics
    Elevation Gain:656 ft / 200 m
    Distance:7 mi / 11.3 km
    Route:SE ridge from N. Yolla Bolly Mtn & Rat Trap Gap
    Trailhead:Rat Trp Gap trailhead  7136 ft / 2175 m
Descent Statistics
    Elevation Loss:656 ft / 200 m
    Distance:7 mi / 11.3 km
    Route:SE ridge from N. Yolla Bolly Mtn
    Trailhead:Rat Trp Gap trailhead  7136 ft / 2175 m



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