The Boulder, Pioneer, Sawtooth, Smoky, and White Cloud mountains are generally jagged, while the ranges on the Minidoka District, the Albion, Black Pine, Raft River, and Sublett mountains, are generally smooth and rolling.: Galena Summit is a mountain pass at on State Highway 75 between Stanley and Ketchum, roughly where the Boulder and Smoky Mountains meet. While not in Sawtooth National Forest, Banner Creek Summit is a mountain pass on State Highway 21 at the northern end of the Sawtooth Mountains, on the border of the Boise and Challis National Forests.