Denver and Rio Grande Western steam locomotives 473 and 493 head up a daily passenger train as they pull around the curve approaching Granite Point, just outside of Rockwood, Colorado, as they head to Silverton, CO, on October 15th, 2023, with Shalona Lake off to the left.
According to Wikipedia: The Durango and Silverton Narrow Gauge Railroad, often abbreviated as the D&SNG, is a 3 ft (914 mm) narrow-gauge heritage railroad that operates on 45.2 mi (72.7 km) of track between Durango and Silverton, in the U.S. state of Colorado. The railway is a federally designated National Historic Landmark and was also designated by the American Society of Civil Engineers as a National Historic Civil Engineering Landmark in 1968.
Tech Info: DJI Mavic 3 Classic Drone, RAW, 22mm, f/2.8, 1/640, ISO 100.