Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Abandoned tunnel under the Continental Divide on the Denver, South Park & Pacific Railroad, southwest of St. Elmo
Status
Abandoned and partially caved-in
History
Built 1880-82 by the Denver, South Park & Pacific Railroad; collapsed and abandoned in 1910
Design
Tunnel
Dimensions
Total length: 1,800.0 ft.
Approximate latitude, longitude
+38.64796, -106.40684   (decimal degrees)
38°38'53" N, 106°24'25" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/377574/4278649 (zone/easting/northing)
USGS topographic map
Cumberland Pass
Inventory numbers
NRHP 80004632 (National Register of Historic Places reference number)
BH 11776 (Bridgehunter.com ID)