A mountainous sub-region within the Northeastern Washington Cascades, bounded by Thunder Creek, Skagit River, Granite Creek (Highway 20), Rainy Pass, Bridge Creek, North Fork Bridge Creek, Fisher Pass, and Fisher Creek. Notable landforms include Ruby Mountain, Elija Ridge, Red Mountain, Cosho Peak, Kimtah Peak, Katsuk Peak, Mesahchie Peak, Mt. Arriva, Black Peak, Corteo Peak, and Frisco Mountain.
Black Peak via Wing Lake—Southeast Couloir + Corteo Peak via Lewis Glacier—Southwest Ridge (Ragged Range, WA)
Trip Date: August 4-7, 2017 MID-SUMMER OUTING NO. 15: RAGGED RANGE Black Peak & Corteo Peak Climbing
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