DENVER (KDVR) — A mountain pass in the San Juan Mountain Range is closed due ... Due to the boulder’s size, crews will have to downsize the rock in order to remove it from the highway.

Mount Sneffels in the San Juan Mountains Extreme mountaineer Hilaree O'Neil climbing in the San Juan Mountains, Mount Sneffels Hilaree climbs and skis the most challenging of mountains in the Rockies.