Jaggle Benchmark

Elevation: 10,772 ft
Prominence: 432

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Climbing and access information for this peak is on Pages 288-289 of the book. The route in the book starts in the Little Lost River Valley and begins in Cabin Fork Creek. I climbed the peak via its south ridge, Kaleb Houck climbed the peak via a rib on the peak’s southwest face. He provided the route update found below. It is labeled “Jaggle Peak” in the book. Updated August 2022

Jaggle Benchmark is a great, seldom-visited summit. Jaggle is the highest point on the southern Lost River Range crest between South Twin and King Mountain. This page documents two new routes up the peak. USGS Sunset Peak

Jaggle from US-93.

Jaggle Benchmark as viewed from US-93.

South Ridge, Class 2

Although I rate this climb as Class 2, the last few feet up the summit block verge on Class 3. See [(A)(2) on Page 289] for access information.

Use your 4WD to get to the end of the Cedarville Canyon Road. Follow the canyon as it meanders west, north, west, and then north. The canyon is filled with obstacles including downed trees, brush, and avalanche debris. Allow a lot of time for the approach. At times, we detoured out of the canyon bottom to follow promising lines but always had to drop down into the canyon. Although difficult, the canyon is stunning and wild. The route steepens at roughly 8,800 feet. Once it turns north at 9,400 feet, the route is obvious and climbs talus slopes. The ridge narrows near the end. The route is on the East Side of Point 10250 and the West Side of the last high point before the summit.

Check out the limestone cliffs!

Check out the limestone cliffs!

The snow was mostly gone by June 18, 2004.

The snow was mostly gone on 6/18/04.

Eventually, the canyon narrows and you start to climb at roughly 8,800 feet.

Eventually, the canyon narrows and you start to climb at roughly 8,800 feet.

As you reach treeline, you will see the north ridge of Ramshorn Peak. Jaggle's summit is off to the right.

As you reach treeline, you see the North Ridge of Ramshorn Peak. Jaggle’s summit is off to the right.

The last stretch to the summit.

The last stretch to the summit.

Looking South over Ramshorn to King Mountain.

Looking south over Ramshorn Peak to King Mountain.

Looking north to South Twin (N. Twin is hidden) and Sunrise and Sunset peaks.

Looking north to South Twin (North Twin is hidden), Sunrise Peak, and Sunset Peak.

Looking east to Peak 10571.

Looking east to Peak 10571.

Southwest Rib, Class 2 by Kaleb Houck



In an attempt to find a southern ridge traverse to South Twin, I decided to use Jaggles Canyon as a launching point for Jaggle Benchmark. The CalTopo list a ‘Jeep Road’ up the canyon. Using a 2 door Wrangler I can say that the road ends up being rather tight. I am not worried about vehicle scratches but if you are this road won’t be for you. Otherwise, the drive is pretty simple.

Southwest Rib, Class 2

At the end of the road, you will find it blocked off. You will find that there is a former road that goes right up to a meadow at the base of Jaggle. This makes the approach quite easy. From there you can follow game trails or take a straight line up to the western ridge from the meadow.

Once you leave tree line you will find a steep talus field going up to some spires. This talus is incredibly loose and required a hand on the ground or atleast a pole to make much progress. This 500 feet of loose material proved to be the only difficult, and miserable part of this route.

I decided with the thunderstorms over Borah to enjoy my time on the summit and head down. I didn’t get to explore the ridge to South Twin. This route is, however, a pleasant and straight way to the crest.

Jaggle from the meadow. Kaleb Houck Photo

Kaleb Houck Photo

Looking down Jaggles Canyon. Kaleb Houck Photo

Kaleb’s GPS tracks for the approach and climb of Jaggle BM. His route covered 4.9 miles with 3,796 feet of elevation gain round trip.

Additional Resources

Mountain Range: Lost River Range

Year Climbed: 2003

Longitude: -113.3279   Latitude: 43.8953


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