Ascent of North Yolla Bolly Mountain on 2011-10-29

Climber: Daryn Dodge

Date:Saturday, October 29, 2011
Ascent Type:Successful Summit Attained
Peak:North Yolla Bolly Mountain
    Elevation:7864 ft / 2396 m

Ascent Trip Report

To get to the Rat Trap Gap TH for N. Yolla Bolly Mtn, I turned west onto Hwy 36 in Red Bluff, drove downtown, then jogged north a few blocks to Walnut St. and turned left (west). I followed Walnut to its end at a T intersection, turned left (south) for a 100 or so feet, and then turned right onto paved Reeds Creek Rd and drove for about 16.5 miles to a 4-way intersection. Turn left here onto signed Pettyjohn Rd where the road surface begins to alternate between paved and dirt. In 11.3 miles, turn left at an intersection and go another 8.2 miles to a road junction. Even though both roads at this junction will eventually rejoin before Rat Trap Gap, the road to the right is easier to follow, shorter, and in better condition. So turn right. This road (later marked as "road" 35) will rejoin the other road after 6.3 miles. From where the roads join again, keep going another 6.2 miles to Rat Trap Gap. The trailhead and dirt parking lot is on the left. The long dirt road section is in pretty good shape and should be good enough for passenger vehicles.

Road 35 beyond Rat Trap Gap is closed due to a massive road washout. I was hoping to start at the Stuart Gap campground TH at the end of road 35, which appears to be the shorter route to the peak. But road 35 was indeed washed out about 1.5 miles from Rat Trap Gap when I checked it. There is no possible way to get a vehicle across.

From the signed Rat Trap Gap TH, I walked south about 100-200 feet to a trail junction. The trail to the right to North Yolla Bolly Lake looked slightly more used, so I turned onto this trail. The trail is well shaded by a mix of red fir and sugar pine trees. And the creeks I passed were still all running even in late October. At N. Yolla Bolly Lake I followed the trail as it went around the lake and began climbing. When the trail leveled out, I continued cross-country up onto the north ridge cross-country, then followed the north ridge to the summit. Great views of Mt. Shasta and the Trinity Alps to the north. Distance to the summit was about 4.5 miles and 550 m of total gain. I continued on to Black Rock Mtn from here before going back. The climb to Black Rock Mtn is in a separate trip report.

Summary Total Data
    Total Elevation Gain:2286 ft / 695 m
    Extra Gain:164 ft / 49 m
    Round-Trip Distance:9 mi / 14.5 km
    Route:North ridge from Rat Trap Gap
    Trailhead:Rat Trap Gap trailhead  5906 ft / 1800 m
    Grade/Class:class 2
    Route Conditions:
Maintained Trail, Scramble

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