NEW this year! A climber's dream ride from Purgatory at Durango Mountain Resort to Silverton. Travel over two 10,000 ft mountain passes on your way to the historical mining town of Silverton. There are two aid stations with food and water along the route. There is no technical support on course. The 27 miles of the route to Silverton is a closed road. Registration Fee: $80 Field limit 200 riders