A mountainous sub-region within the Central Washington Cascades, bounded by Peshastin Creek (US-97), lower Wenatchee River (US-2), Columbia River, Colockum Creek, Kittitas Valley, Swauk Creek (US-97), and Blewett Pass. Notable landforms include Horse Lake Mountain, Tronsen Ridge, Mission Ridge, Mt. Lillian, and Jumpoff Ridge.
Tronsen Head Ski Loop: Windy Hollow to Haney Gap (Lower Wenatchee Mountains, WA)
Trip Date: January 20, 2001 Tronsen Head Ski Loop: Windy Hollow to Haney Gap Windy HollowWindy Gap
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