Take the Wonderland Trail to Panhandle Gap via Summerland. Head east, skirting Banshee peak to the base of Cowlitz Chimney. Scramble several hundred feet to the top. Full description of the route can be found in Cascade Alpine Guide Volume 1.

Other Information
Driving Distance from Portland 175 miles
Expected Duration Car to car in two or more days
Relevant Books Cascade Alpine Guide Volume 1 (Beckey) Climbing Washington' Mountains (Smoot)
Relevant Maps Mt. Rainier East 7.5 min