The CR&NW had an approximately 500 ft long tunnel 0.6 miles south of the Haley Creek Trestle, located at approximately milepost 122.3.

Location: N 61.41232 W 144.48556
Acme Mapper

Sources

1: “Report of Archeological and Historical Investigations along the Copper River, Tasnuna River to Chitina to the Deptartment of Highways” Reger, Douglas; Cole, Terrence; Brown, Michael. Prepared for Alaska Division of Parks, Office of Statewide Cultural Programs, July 1975

2: “Draft Supplement to the Copper River High Final Environmental Impact Statement” Nov 3, 1976