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 Gap Ski Loop via Windy Hollow—Naneum Pass + Tronsen Head (Lower Wenatchee Mountains, WA)
Originally Posted: February 2023Updated: March 2026 Tronsen Gap Ski Loop: Tronsen Creek to Swauk Creek Tronsen BasinWindy HollowTronsen...