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 - Diversion tunnel, lower portal site.
photCL SCE 02 - 29047

Visual Materials
Big Creek Powerhouse #4 - Lower end of diversion tunnel after closing bulkhead
photCL SCE 02 - 30399

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Tunnel workers in Dam 7 Diversion Tunnel]
photCL SCE 02 - 42029

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