Prairie City in Grant County, Oregon — The American West (Northwest)
The Dixie Switchback
Photographed by William Thievon, July 10, 2025
1. The Dixie Switchback Marker
Inscription.
The Dixie Switchback. . To conquer the rugged mountains and canyons, builders of the Sumpter Valley Railway resorted to a number of special engineering techniques. Steep grades of up to 4%, twice as steep as normally used on railroads, were numerous. Deep cuts were blasted, and wooden bridges and trestles leaped across the streams. Near Tipton, a series of 180° curves were constructed that wound down the mountain. The descent of Dixie Pass was the most difficult grade to lay out. In addition to a high trestle across Dads Creek, a series of loops and a switchback were needed to drop the remaining elevation. While not commonly used on mainlines, switchbacks were frequently found on the logging lines that branched out into the forests. A series of switches zigzagging down the mountainside allowed the train to lose elevation by switching back and forth.
To conquer the rugged mountains and canyons, builders of the Sumpter Valley Railway resorted to a number of special engineering techniques. Steep grades of up to 4%, twice as steep as normally used on railroads, were numerous. Deep cuts were blasted, and wooden bridges and trestles leaped across the streams. Near Tipton, a series of 180° curves were constructed that wound down the mountain.
The descent of Dixie Pass was the most difficult grade to lay out. In addition to a high trestle across Dads Creek, a series of loops and a switchback were needed to drop the remaining elevation. While not commonly used on mainlines, switchbacks were frequently found on the logging lines that branched out into the forests. A series of switches zigzagging down the mountainside allowed the train to lose elevation by switching back and forth.
Location. 44° 27.485′ N, 118° 42.416′ W. Marker is in Prairie City, Oregon, in Grant County. It can be reached from South Main Street, on the left when traveling south. Touch for map. Marker is at or near this postal address: 425 S Main Street, Prairie City OR 97869, United States of America. Touch for directions.
Regionally, this marker is in Eastern Oregon. It is also in the American Mountain West and in the Lewis & Clark Corridor. Globally, it is in North America, the Pacific Rim, the Western Hemisphere, the Western World, and the Anglosphere.
Credits. This page was last revised on September 11, 2025. It was originally submitted on September 11, 2025, by William Thievon of Hofheim am Taunus, Germany. This page has been viewed 82 times since then and 27 times this year. Photo1. submitted on September 11, 2025, by William Thievon of Hofheim am Taunus, Germany. • Andrew Ruppenstein was the editor who published this page.
