From Boston Basin, ascend Quien Sabe Glacier to gully beneath ridge. Gain ridge from gully, climb ridge to summit. Descend route with rappel and downclimbing.
|Driving Distance from Portland||300 miles|
|Driving Time from Portland||6 hours|
|Expected Duration||Car to car in two or more days|
|Relevant Maps||USGS of Boston Basin, Boston Peak, Forbidden Peak.|