|South portal of Summit Tunnel, entering|
Burns Creek basin, c. 1882.
|Construction of northern end of Summit Tunnel, c. 1879.|
|Reconstruction of the north portal, 1892-1893.|
|Nearly completed northern portal, 1893.|
|1893 Summit Tunnel north portal with a track inspector on his tricycle. Tracks still appear to be narrow-gauged.|
In April 1906, the San Francisco Earthquake utterly devastated the tunnel, cutting off service over the mountain. The 1893 portal was repaired but the narrow-gauge tracks were pulled up and replaced with new broad-gauge tracks.
|Repairmen inside the Summit Tunnel, probably after the 1906 Earthquake.|
|The south portal of Summit Tunnel after 1908.|
|Summit Tunnel north portal in the autumn of 1937. (Courtesy Bruce McGregor)|
|Summit Tunnel north portal in April 1940 after abandonment papers had been filed. (Courtesy Bruce McGregor)|
|The heavily graffitied inside of the Summit Tunnel's north portal today. The rubble pile is directly behind me.|
|The north portal of Summit Tunnel today (Photo courtesy Brian Liddicot)|
|Here is a perspective shot of the collapsed north portal of Summit Tunnel. It is still quite high, but the floor has definitely move upward toward the ceiling over the past seventy years.|
|The now-unused spillway beside the tunnel entrance, covered in moss and lichen and in pieces.|
|Standing on top of the portal, looking down.|
|Summit Tunnel's south portal today. Overgrown but otherwise intact.|
|Summit Tunnel's south portal from the inside showing the brick ceiling and|
the distant glow of the entrance to the portal.