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Twin Sisters Range

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North Twin 
South Twin 

Twin Sisters Range Rock Climbing 

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Location: 48.71194, -121.98149 View Map  Incorrect?
Page Views: 2,611
Administrators: Scott Coldiron, Nate Ball, Jon Nelson, Micah Klesick, Kristine Hoffman (sitewide)
Submitted By: Alisse Cassell on Oct 8, 2015


51° | 39°

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56° | 48°
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At the beginning of the route, South Twin on right...


Named after the two highest peaks in the range -- North Twin (6,640') and South Twin (7,000'+). Contains the biggest mass of exposed olivine in the Western Hemisphere! Not to be missed. Super solid and sticky rock.

SW of Mount Baker, just 21.5 miles from Bellingham's Samish Bay.

Getting There 

Access via Blue Mountain Rd, Howard Creek Rd, or Middle Fork Nooksack River Rd.

Climbing Season

For the Northwest Region area.

Weather station 12.0 miles from here

2 Total Climbing Routes

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

Classic Climbing Routes in Twin Sisters Range

Mountain Project's determination of the classic, most popular, highest rated climbing routes for Twin Sisters Range:
West Ridge   4th 1 2 I 2 M 1b     Trad, Alpine, Grade II   North Twin
West Ridge   4th 1 2 I 2 M 1b     Trad, Alpine, 2500'   South Twin
Browse More Rock Climbing Classics in Twin Sisters Range

Featured Route For Twin Sisters Range
Rock Climbing Photo: fairly typical terrain on the West Ridge of South ...

West Ridge 4th 1 2 I 2 M 1b  Washington : Northwest Region : ... : South Twin
Beginning at the basin between North and South Twin, ascend south to the ridge crest and follow it to a prominent notch below the summit. Many route options exist and the going is a steady class 3. One short class 4 down climb constitutes the crux of the route.At the notch it should be obvious that continuing to follow the ridge crest will become class 4/low 5th, at this point traverse around to the south and follow gullies and/or a snowfield (seasonal) to the summit.In general the rock is quite...[more]   Browse More Classics in Washington

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By Jon Nelson
From: Bellingham, WA
Oct 8, 2015
Beautiful peaks. I often drive by them on Highway 9.

Your description of the rock types just adds to the attraction - thanks.

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