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National and State Register
Alpine Tunnel Historic District
The Alpine Tunnel Historic District includes approximately 13 miles of the former Denver, South Park and Pacific Railroad railbed across the Continental Divide from Hancock to Quartz, as well as the Alpine Tunnel itself.
Constructed in 1880-1881, the district illustrates the engineering and operational challenges faced by the Colorado mountain railroads in the late 19th and early 20th centuries. Listed under Railroads in Colorado, 1858-1948 Multiple Property Submission.