Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768
Visual Materials
Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703
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 - drilling final round in short tunnel inlet channel.
photCL SCE 02 - 43771
Visual Materials
Portal Powerhouse - Forebay - Intake channel erosion through blanket & blanket protection since placement in 1955.
photCL SCE 02 - 44787
Visual Materials
Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548
