West of the Summit of the Grade the tour winds through a rocky gorge (Sweeney Gulch), above which scraggly brush and timber stagger up the slope. Emerging from the draw the highway runs across a rough, semiarid plateau dotted with willows and scrub trees. This is cattle country, fenced with barbed wire, affording practically year-around grazing. To the east the tour drops down through Megginson Gulch.