The Colorado & Southern Railway: Hauling Ore Through Colorado’s Mining Era
Jan 24, 2026
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Gilpin Tramway Video:
• AWSOME RARE OLD PHOTOS: Colorado’s For...
The Colorado and Southern Railway was never built for spectacle — it was built for service.
Formed in 1898 through the consolidation of older mountain railroads, the Colorado & Southern quietly became one of the most practical and reliable rail systems in the Rocky Mountains. Backed by Union Pacific interests under Edward H. Harriman, the railroad focused on steady traffic rather than speculation, hauling ore, coal, and freight from Colorado’s mining districts to smelters and cities along the Front Range.
This railroad worked hand-in-hand with the Gilpin Tramway, carrying gold ore from Central City and Black Hawk, silver and lead from Leadville, and coal from northern Colorado. Its narrow-gauge branches climbed punishing grades, navigated sharp curves, and brought down ore that once sat stranded in the hills.
At its height, the Colorado & Southern operated roughly 1,100 miles of track, both standard and narrow gauge, and moved millions of tons of freight each year. Unlike many mining railroads, it survived the collapse of silver prices by diversifying into agriculture, livestock, industrial freight, and passenger service.
In 1908, the railroad was absorbed into the Chicago, Burlington and Quincy Railroad, marking the beginning of the end for many narrow-gauge mining branches — though its mainlines endured long after the mines fell silent.
This is the story of a railroad built not for speculation, but for service — and the quiet role it played in shaping Colorado’s mining landscape.
If you enjoyed this Colorado train story, be sure to watch the companion video about the Gilpin Tramway.
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