Aspen to Glenwood:  Day Hiking Guide: Independence Pass, Aspen, Snowmass, Basalt/Frying Pan, Carbondale, Redstone, Marble, Glenwood Springs
Warren Ohlrich has written and published more than 20 books for the Aspen area. He has hiked, skied, snowshoed and run the trails around Aspen for over 25 years.