Redfish Lake

Horstman Peak, Sawtooth Mountains, Idaho.

Climbing Horstman Peak in Idaho’s Sawtooth Mountains

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.

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Monolith Valley, Sawtooth Mountains, Idaho.

Hiking to the Stunning Monolith Valley in Idaho’s Sawtooth Mountains

By Michael Lanza

Our day’s primary goal—reaching the 10,470-foot summit of Horstman Peak, which had eluded us on a previous attempt—was already behind us when my friend Chip Roser and I descended south off Horstman to hike across a valley that lies just a few miles as the crow flies from the busiest spot in Idaho’s Sawtooth Mountains, and yet probably sees no more than a handful of hikers a year. We’d gotten distant views of the Monolith Valley before, but those glimpses hardly did justice to the spectacle of this stunning paradise of water and granite.

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Backcountry avalanche instructor Chago Rodriguez skiing in the shadow of Mount Heyburn in Idaho's Sawtooth Mountains.

Ask Me: Where Should We Go Backcountry Skiing Around Sun Valley and Idaho’s Sawtooths?

Hey Michael,

Nice Blog! Just spent a bit of time checking it out. So I have a question. My husband and I are heading north (we’re from Colorado) to do some backcountry skiing and mountain biking. Usually we end up in the Tetons. The couple times we have gone to Ketchum/Stanley, Idaho, zone we’ve been shut out though—once with bad weather and also lack of snow. I heard that the Sawtooths got a lot of snow, so once again we want to explore.

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