Tunnel No. 41

Tunnel Number 41, or the Big Hole, is a single-track railway tunnel underneath in the Sierra Nevada, near Norden, California. It is owned by Union Pacific Railroad, in service as a part of the of the Overland Route. Daily freight trains as well as Amtrak's California Zephyr utilize the line.

Tunnel No. 41

Tunnel Number 41, or the Big Hole, is a single-track railway tunnel underneath in the Sierra Nevada, near Norden, California. It is owned by Union Pacific Railroad, in service as a part of the of the Overland Route. Daily freight trains as well as Amtrak's California Zephyr utilize the line.