Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Big Creek Powerhouse #4 - Lower portal of dam diversion tunnel.
photCL SCE 02 - 29150

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [site for powerhouse 4 viewed from lower portal of Tunnel #2 - graded area on left is for Switchyard]
photCL SCE 02 - 42420

Visual Materials
Big Creek Powerhouse #4 - Excavation for diversion tunnel portal.
photCL SCE 02 - 29128

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Diversion Tunnel portal]
photCL SCE 02 - 42025

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Diversion Tunnel portal]
photCL SCE 02 - 42026

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Dam 7 Diversion Tunnel portal]
photCL SCE 02 - 42031