A mountainous sub-region within the North-Central Washington Cascades, bounded by Napeequa River, upper Suiattle River, Suiattle Pass, upper Railroad Creek, Big Creek, Phelps Creek, Chiwawa River, and Big Meadow Creek. Notable landforms include Dumbell Mountain, Chiwawa Mountain, Fortress Mountain, Napeequa Mountain, Buck Mountain, Phelps Ridge, Chiwawa Ridge, and Crook Mountain.
Chiwawa Basin Alpine Loop: Red Mtn to Buck Creek via Chiwawa Mtn summit—Fortress Mtn Summit (Chiwawa Range, WA)
Trip Date: June 28-29, 1980 Chiwawa Mountain & Fortress Mountain Summit Loop Chiwawa River ValleyRed Mountain Prospects
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