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Mount Agassiz

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Mount Agassiz

Page Type: Mountain/Rock

Location: California, United States, North America

Lat/Lon: 37.11186°N / 118.53081°W

Object Title: Mount Agassiz

County: Fresno, Inyo

Elevation: 13893 ft / 4235 m

 

Page By: mrchad9

Created/Edited: Mar 31, 2002 / Jun 25, 2013

Object ID: 150921

Hits: 59156 

Page Score: 95.62%  - 54 Votes 

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Overview

Rising to 13,891 feet Mount Agassiz is one of the tallest peaks in the Sierras. It ranks as the twenty-first tallest peak in California, and it has a strong presence in the Palisades region. Situated as the first mountain to the southeast of Bishop Pass, Mount Agassiz sits back to back on a ridge with a number of 13,000 foot peaks and five of the state’s 14ers. The two mile long ridge to the south includes Mount Winchell, Thunderbolt Peak, Starlight Peak, North Palisade, Polemonium Peak, and Mount Sill.

The Palisades are considered one of the best alpine climbing locations in the Sierra Nevada. This area hosts a variety of challenging rock climbs and other considerable scrambles during the summer months. During the winter on the other hand, the Palisades offer expert and extreme ski descent possibilities on a number of couloirs.

Mount Agassiz makes for an excellent overnight climb, sometimes climbed with nearby Mount Goode on the other side of Bishop Pass. It is also done in a strenuous day as the South Lake Trailhead begins at relatively high elevation (9,800 feet). The most utilized routes up Mount Agassiz are moderate scrambles with class 2-3 rock leading to views in all directions of alpine lakes, high peaks, and one mile to the south of the largest glacier in the Sierra Nevada.

Getting There

 
Mount Agassiz
Agassiz from Bishop Pass Trail
 
Mt. Agassiz
Agassiz from Dusy Basin

The most commonly used trailhead for trips to Mount Agassiz is the South Lake Trailhead leading to the west slope above Bishop Pass. The Glacier Lodge trailhead is used to reach the routes to the south and southest. Both trailheads are in Inyo National Forest.

South Lake Trailhead (37.16928° N, 118.56568° W)
Turn west off Highway 395 in Bishop onto Highway 168 (W Line Street) towards Lake Sabrina. Follow Highway 168 for 15 miles to the well marked intersection with South Lake Road. Follow the road to South Lake for 7 miles to the parking area at the end of the road.

Glacier Lodge (37.12545° N, 118.43714° W)
Turn west off Highway 395 in Big Pine onto Glacier Lodge Road (W Crocker Street) and follow it 10.5 miles directly to the trailhead parking area at the end. There is a small lot for day use, but if full or going on an overnight trip you'll need to use the backpackers' lot 3/4 mile down the road.

Route Overview

The most popular route up Mount Agassiz is the class 2 West Slope via Bishop Pass. The route can also be made mostly solid class 3 depending on your precise route selection… there are many possible variations and route finding is a non-issue.

See the route table below for other available options and the identified route pages for additional details.

RouteTrailhead (Quota Area)DifficultyDistance (one way)Elevation Gain
West Slope from Bishop PassSouth Lake (Bishop Pass)Class 26.1 miles4200 feet + 100 feet on return
Southeast Side via Agassiz ColGlacier Lodge (Big Pine North Fork)Class 29.0 miles6400 feet + 200 feet on return
East RidgeGlacier Lodge (Big Pine North Fork)Class 48.6 miles6400 feet + 200 feet on return
Northeast FaceGlacier Lodge (Big Pine North Fork)Class 5.2 Grade II8.7 miles6400 feet + 200 feet on return
Rolling StonesGlacier Lodge (Big Pine North Fork)Class 5.8 Grade III8.7 miles6400 feet + 200 feet on return

Red Tape

 
Sierra Summers
The Inconsolable Range from Agassiz

Wilderness Permits:
The route to Mount Agassiz is on Inyo National Forest land. No permits are required for day trips but overnight trips require one throughout the year. Permits for can be picked up at the White Mountain Ranger Station in Bishop or any other Inyo National Forest office. Quotas are in place May 1 through November 1. Check the Inyo National Forest wilderness permit website for the most current information and reservation availability.

Food Storage:
Bear canisters are not required but proper food storage is important.

Campfires:
Fires are prohibited above 10,400 feet within the John Muir Wilderness boundary.

Inyo National Forest Wilderness Permit Office
351 Pacu Lane, Suite 200
Bishop, CA 93514
Wilderness Information Line: (760) 873-2485
Permit Reservation Line: (760) 873-2483

Current Conditions

Current NOAA / National Weather Service Forecast

Click for South Lake, California Forecast

When To Climb

Spring through fall is the normal season, however winter ascents and ski tours are possible as the approach is quite moderate. Contact Inyo National Forest in the off season for road conditions.

Camping

 
Palisades
The Palisades from the Summit of Mount Agassiz

Mount Agassiz is possible as a daytrip, but the area is also popular as an overnight destination. There are many scenic alpine lakes encountered on the approaches, all making excellent overnight destinations. Saddlerock Lake and Bishop Lake are great options and well situated for the West Slope route. Dusy Basin is also available for those seeking a bit more solitude. If climbing routes to the east there are many options including any of the Big Pine Lakes, Sam Mack Meadow or Sam Mack Lake, and several tarns around Mount Agassiz or the Palisade Glacier.

If completing a daytrip, dispersed camping is allowed in Inyo National Forest, including a handful of areas along or just off Highway 168 from Bishop to South Lake. Even better, there are literally hundreds of roadside camping options in Buttermilk Country, located off Buttermilk Road (north of Highway 168). There are outstanding views of Mount Humphreys, Basin Mountain, Mount Tom, and White Mountain Peak from throughout the area.

Established campgrounds are abundant along the road to South Lake and in the immediate vicinity of both the South Lake and Glacier Lodge trailheads. There are also additional options nearby further up Highway 168 en route to Lake Sabrina. See the Inyo National Forest Campground Camping page for details.

Etymology

"Louis Agassiz (1807-1873), a naturalist, geologist, and teacher. He was born in Switzerland, came to the United States in 1846, and became a professor of zoology at Harvard in 1848. Lilbourne A. Winchell, in 1879, gave the name 'Agassiz Needle' either to this peak or to what is now Mount Winchell, a truly needlelike peak 0.7 mile southeast of Mount Agassiz. (Winchell, 160.) The name change from 'Agassiz Needle' to 'Mount Agassiz' was proposed by the Sierra Club in the 1930s. (SC records in BL.) The name 'Agassiz Col' first appeared on the 1948 Mt. Goddard 15' map." – Peter Browning, Place Names of the Sierra Nevada (2004)

Enlarge
Moonrise over Mount Agassiz

Images