Middle Sister, Oregon
Presenting an elegant conical shape that rises to 10,047 feet, the center
of the Three Sisters can most easily be reached from the northwest side
where a high ridge runs between North and Middle Sisters at almost 9,000
feet. The popular trail from Sunshine passes through some of the most scenic
volcanic areas, passing formations of obsidian volcanic glass, and leading
to the Renfrew glacier which flows between these two mountains.