Involves snow climbing with an angle up to 45 degrees, and rock climbing with maximum difficulty of 5.7 or 5.8. Watch for avalanche danger on this east facing route.

Other Information
Driving Distance from Portland 170 miles
Driving Time from Portland 3 hours
General Route Info "As the name implies, you should be near the top of the couloir when day breaks, as it is a natural funnel for rockfall." "Approach from Pole Creek Spring. Climb the couloir (maximum angle about 45 degrees). Near the top there are two choices. Go around the right side of the headwall formed by Glisan Pinnacle, or climb the headwall directly." "From the top of Glisan Pinnacle either climb the NE shoulder of Prouty Pinnacle or descend and climb the regular westside route." -Jeff Thomas, in Oregon High
Expected Duration Car to car in two or more days
Relevant Books Oregon High by Jeff Thomas
Relevant Maps USGS 7 minute series, North Sister and Trout Creek Butte, Geo-Graphics, Three Sisters, and USFS Three Sisters Wilderness <href="http: "="" adventure="" c463="" starts-here="" title="On the Mazama Climbing and Hiking map page " www.mazamas.org="" your="">On the Mazama Climbing and Hiking map page <href="http: maps.google.com="" maps?f="q&source=s_q&hl=en&geocode=&q=middle+sister&sll=44.103449,-121.769206&sspn=0.018891,0.04549&g=north+sister&ie=UTF8&ll=44.127028,-121.734352&spn=0.151065,0.363922&t=p&z=12"" title="Google maps">Google maps</href="http:></href="http:>
Awards Qualified 16 Major NW Peaks, Seven Oregon Cascades Peaks
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