Thornton Peak via Thornton Lakes—Southeast Face—East Ridge (Lower Skagit Mountains, WA) Jim Brisbine·July 27, 2009Trip Date: July 25-27, 2009 Thornton Peak Climbing Trip Trapper’s PassThornton LakesThornton PassThornton Peak (6935’) Trip Report Summary...Lower Skagit MountainsNorthwestern WA CascadesThornton Peak·165 views