Sisters traverse
Four day trip. Day 1, Drive to trailhead and hike in to Soap Creek camp. Day 2, climb Middle Sister via Hayden Glacier and Northeast ridge. Return to camp. Day 3, hike from Soap Creek to Green Lake on Green Lake Trail. Day 4, climb South Sister via east climbers route and return to camp. Day 5, climb Broken Top and then traverse Tam MacArthur Ridge to second vehicle parked at Three Creeks Lake.
There was snow regularly above 6,500'. The traverse on the north side of Broken Top was all on snow. Most of Tam MacArthur Rim was on snow.