A mountainous sub-region within the Northwestern Washington Cascades, bounded by Marble Creek, Dorado Col, West Fork Thunder Creek, Fisher Creek, Fisher Pass, North Fork Bridge Creek, upper Stehekin River, Cascade Pass, and North Fork Cascade River. Notable landforms include Hidden Lake Peak, Eldorado Peak, Forbidden Peak, Boston Peak, Sahale Peak, Mt. Buckner, Mt. Logan, and Mt. Goode.
Hidden Lake Peak via Sibley Creek—West Slope (Thunder Mountains, WA)
Trip Date: June 18-19, 1993 Hidden Lake Peak Climbing Trip Sibley CreekHidden Lake Peak (7088 ft) Trip Report...
