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
Portal Powerhouse - Forebay - drilling final round in short tunnel inlet channel.
photCL SCE 02 - 43771

Visual Materials
Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
photCL SCE 02 - 43785

Visual Materials
Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768

Visual Materials
Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548

Visual Materials
Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767

Visual Materials
Portal Powerhouse - Forebay - Tunnel portal at end of entrance channel.
photCL SCE 02 - 43806