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Isosceles Peak

Select Route:
Keith-Lowery Route 
Northeast Face 
Southwest Buttress 
Southwest Chute 
Southwest Face 
West - East Summit Traverse 
West Chute 
West Face 
Wilson Route 

Isosceles Peak 

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Elevation: 12,250'
Lat, Long: 37.0951, -118.5423 Map Incorrect?
Page Views: 1,982
Administrators: Chris Owen, M.Morley, Salamanizer, Justin Johnsen, Kristine Hoffman
Submitted By: Chris S on Jul 12, 2010
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This peak forms the ridgeline splitting the Palisade and Dusy Basins (not the peak in the Mono Recesses). The East Summit is clearly the highest point (12,250'+), but the West Face has the most interesting climbing. Most parties climbing this face are satisfied with the West Summit (12,240'). Secor seems to suggest that the West Summit is the true summit, but several route descriptions (the SW Face and W Chute, in particular), could only be describing routes that visibly reach the East Summit.

It is possible to traverse from the West to the East summit. The West Summit - which has a register - appears to be climb on average once every two years.

East Summit Routes:
NE Face
West Chute
SW Face
SW Chute - the best descent

West Summit Routes:
West Face
Wilson Route (aka the North Face or the West Face, Left)
Keith-Lowery Route (aka West Face, Right)
SW Buttress - the best descent

Reference: Secor, The High Sierra, 3rd ed., pg 238.

Getting There 

Follow the main trail from South Lake to Bishop Pass, and descend to the highest lake in Dusy Basin. Great bivy sites exist on the lakes southwest shore.

9 Total Routes

['4 Stars',0],['3 Stars',0],['2 Stars',0],['1 Star',1],['Bomb',0]

Featured Route For Isosceles Peak

Keith-Lowery Route 5.7 5a 15 V+ MVS 4b  CA : High Sierra : Isosceles Peak
The K-L Route (aka the West Face, Right in Secor's guide) starts half-way between the West Face and the SW Buttress. Look for right-trending corners and ramps for two pitches, then follow ledges and blocks up and left for three pitches to the West Summit....[more]   Browse More Classics in CA

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By J. Albers
From: Colorado
Jul 12, 2010

Did you actually climb all of these routes?

By Chris Owen
From: La Crescenta and Big Bear Lake
Sep 24, 2010

That's a good question. Remember this site is "Beyond the Guidebook" personal accounts of the climbs are encouraged.