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Boston Basin lies within the heart of Washington's stunning North Cascades. The big attraction here is Forbidden Peak, particularly its West Ridge, which is included among Steck and Roper's 50 Classics. Other draws here include Sahale Peak, Boston Peak, Mount Buckner, Mount Torment, and Sharkfin Tower.
Driving directions: From Seattle, take I-5 North. Exit in Burlington for WA 20 East, which becomes the North Cascades Highway. Drive about 50 miles east to Marblemount. Make a right in Marblemount onto Cascade River Road. Drive 21.7 miles (according to the guidebook) on Cascade River Road. There's a small pullout on your left directly opposite Johannesburg Mountain. Park here. If you've gone to the end of the road, you've gone too far.
10 Total Routes
Browse More Classics in Boston Basin
Mountain Project's determination of some of the classic, most popular, highest rated routes for Boston Basin:
Torment-Forbidden Traverse 5.6 4c 14 V 12 S 4b Steep Snow Trad, Snow, Alpine, Grade IV Mount Torment
Featured Route For Boston Basin
East Ridge Direct 5.8- 5b 16 VI- 14 VS 4c WA : Northwest Region : ... : Forbidden Peak
A great alpine climb easily accessible (~4-5h from car park). From camp, ascend north towards Forbidden's South Face. Reach a notch in the ridge and go left around the first gendarme. You'll reach a bivy spot where you can leave your boots+crampons,etc.From the bivy spot climb a few pitches of low class 5. Climb up a second gendarme and knife edge ridge. After climbing the third gendarme you'll need to rappel into a narrow notch, there's plenty of tat. The third gendarme can be avoided by climb...[more] Browse More Classics in WA
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