Silverton Chicago Basin Colorado hiking San Juan Range Jupiter Rocky Mountains Mount Eulos North summer summit sunset snowcap melt fourteener Sunlight Windom Peak Silverton Durango July static shot

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