Silverton, CO Avalanche Injures 2 Backcountry Skiers & Buries Highway 15-Feet Deep A skier triggered avalanche on Red Pass near Silverton, Colorado injured two skiers and covered the highway, US 550 on February 13th. ย The avalanche triggered was a large wet slab that buried the road in 12-15 FEET of avalanche debris. ย The skiers who were caught in the slide sustained minor injuries, but luckily there were no deaths. ย The slide was […] Avalanche Keenan Grady | February 17, 2016 1 Comment