Dinosaur Ridge

Elevation: 5,204 ft
Prominence: 374

The summit pinnacles.

This peak is not in the book. Livingston Douglas provided the new route information set out down the page. Updated December 2019

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Dinosaur Ridge is located west of ID-75 and southeast of the Magic Reservoir dam. This peak is named for the stegosaurus-like rock towers on its summit ridge. USGS Shoshone Ice Cave

The summit of Dinosaur Ridge is found in this cluster of rocks.

The summit of Dinosaur Ridge is found in this cluster of rocks.


Access

Access this peak from ID-75. Turn west onto the Big Wood River access road, which leaves the highway 6.6 miles south of the ID-75/US-20 junction. This road will be difficult to drive when wet. Follow this occasionally maintained road as it heads west. You will come to a major junction signed for the Richfield Diversion to the left. Here, keep right and follow the road northwest until you are directly west of the summit. Keep your eyes peeled for a two-track on the north side of the road. You can either park at this point or follow the two-track about a hundred yards further to a parking spot. From here, you can make a gentle ascent to the peak’s summit ridge. The only obstacle you will encounter is a BLM fence you will have to cross or go under. See the map below.

West Face/South Ridge Route, Class 3

From the parking spot, climb up the west face while aiming for the ridge top to the right of the summit and left of the large grouping of pinnacles shown in the photo below. Once on the summit ridge, turn north and make the short climb up to the highest group of pinnacles.

The rocks comprising the peak’s highest point require a short stretch of class 3 climbing with some exposure. See the photo below for my route. Be warned that the exposure will bother some climbers. My route was 1-mile round trip and 347 feet of elevation gain.

From the parking area head to the summit ridge on the left side of this photo.

From the parking area head to the summit ridge on the left side of this photo.

The summit pinnacles.

The summit pinnacles.

My scramble up to the top followed this line.

My scramble to the summit followed this line.

My GPS track. The red dots represent the two track which does not show on the USGS map.

My GPS track. The red dots represent the two-track which does not show on the USGS map.

Looking south down the summit ridge from the high point.

Looking south down the summit ridge from the high point.


Northeast Shoulder and North Ridge Routes by Livingston Douglas 

Date of Climb: June 7, 2019

Northeast Shoulder, Class 3

Access

Big Wood River Access Road is unsigned and is a muddy, badly rutted, 2-track jeep road. I only made it 0.2 miles along this road and parked in a pullout. This is a good place to park because this route leaves the road at the 0.5-mile point. This road is located on the W side of ID-75, exactly 6.6 miles S of US-20. The elevation at the parking pullout is 4,810 feet.

The Climb

This route is mostly Class 2. Only the summit blocks are Class 3. From the parking pullout on Big Wood River Access Road, follow the road W for 0.3 miles. Leave the road and scramble through desert scrub to head directly up the [obvious] Northeast Shoulder of Dinosaur Ridge. Decent gaps in the sagebrush make this a tolerable endeavor. Upon reaching the summit blocks, work your way up the NE side of them (the only feasible way) to reach the highest, airy block.

North Ridge, Class 3

Access

Same as for the Northeast Shoulder Route.

The Descent

This route is mostly Class 2. Only the summit blocks are Class 3. Carefully navigate your way off of the summit blocks to reach the easier terrain of the North Ridge. Weave your way around rock blocks/boulders on gravel and easy scrub. The rocky terrain morphs into a sagebrush slope. Lower down, follow the R/E side of a fence row to reach the base of the ridge at a pass.

The massive summit blocks atop Dinosaur Ridge. Livingston Douglas Photo

The massive summit blocks atop Dinosaur Ridge. Livingston Douglas Photo

View of Magic Reservoir and its rushing outflow creek (in dead center, white) from the summit of Dinosaur Ridge. Livingston Douglas Photo

View of Magic Reservoir and its rushing outflow creek (in dead center, white) from the summit of Dinosaur Ridge. Livingston Douglas Photo

Climber Trip Reports

Mountain Range: Bennett Mountain Hills

Year Climbed: 2018

Longitude: -114.23169   Latitude: 43.23169

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