A mountainous region in north-central Washington, roughly bounded on the north by Skagit River, Cascade River, Cascade Pass, upper Stehekin River, Bridge Creek, Twisp Pass, Twisp River, and Loup Loup Pass (SR-20); and on the south by Skykomish River, Stevens Pass (US-2), Nason Creek, Wenatchee River, and Swakane Creek. This region encompasses the Glacier Peak Wilderness, Boulder River Wilderness, Wild Sky Wilderness, Henry M. Jackson Wilderness, and Lake Chelan – Sawtooth Wilderness.
Mt Formidable via Cache Col—Spider-Form Col—South Face—East Ridge (Ptarmigan Mountains, WA)
Trip Date: September 2-4, 2011 Mt. Formidable Climbing Trip Cascade Pass Mixup ArmCache Col Kool-Aid
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