Top of summit Sunlight Windom Peak Mount Eulos Silverton summer Twin Lakes Chicago Basin Colorado Silverton San Juan Range Rocky Mountains snowmelt fourteeners July hiking bluesky sunny pan left

windom peak sunlight peak summiting chicago basin twin lakes morning mount eulos blue sky san juan mountain range the catwalk colorado hiking spring rocky mountains silverton summer fourteener july mountaineering jupiter mountain north eolus rugged needle mountains southwestern colorado summit traverse weminuche wilderness san juan national forest durango la plata county needle creek trail purgatory rocky terrain wildflowers spectacular vistas camping pristine wilderness backcountry narrow gauage railroad new york basin snowcaps elevation needleton continental divide cairns summit ridge scramble climbing exposure hike backpack