Built in 1909, this was the lowest elevation tunnel on the Feather River Route through the Sierra Nevada mountains. For riders on the Western Pacific Railroad California Zephyr passenger train, this tunnel marked the entrance to the breathtaking Feather River Canyon, billed as the most scenic train route in the United States. In 1957, construction of the Oroville Dam meant that 15 miles of track had to be rerouted to bypass what was to become Lake Oroville. The abandoned section of track and the tunnel were put to use hauling…
