Chicago Basin Colorado Silverton backpacking camp sunset San Juan Range Jupiter Rocky Mountains Mount Eulos summer snowcap melt fourteener Sunlight Windom Peak Silverton July bluesky clouds zoom out

chicago basin windom peak mount eulos sunlight peak sunset 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 summiting spectacular vistas camping pristine wilderness backcountry twin lakes narrow gauage railroad new york basin snowcaps elevation needleton continental divide cairns summit ridge scramble climbing exposure hike walk backpack