Silverton By Angela Cotey | May 28, 2024 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates On June 18, 1950, the Denver & Rio Grande Western’s Silverton enters Animas Canyon near its namesake Colorado town. In 1981 the route became the Durango & Silverton Narrow Gauge Railroad. R.W. Richardson photo