By Michael Lanza
Unless you’ve done a fair bit of peak scrambling in Idaho’s Sawtooth Mountains, or have looked up at the seemingly infinite row of granite teeth rising above the Sawtooth Valley, or you are a local in one of the few, scattered little towns in the area, you’ve probably never heard of Horstman Peak. But for my friend Chip Roser and me, Horstman had developed into a mild obsession by the time we set out at first light one morning last September to make another attempt on its 10,470-foot summit, which had eluded us a year before.