Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Mammoth Pool - Looking down the tunnel line towards P.A.[Powerhouse] #8.
photCL SCE 02 - 40702
Visual Materials
Big Creek, Mammoth Pool - Looking north along the tunnel line from a point near the surge tank.
photCL SCE 02 - 40701
Visual Materials
Big Creek - Mammoth Pool - [Section of penstock connected to power tunnel portal]
photCL SCE 06 - 46402
Visual Materials
Big Creek, Mammoth Pool - Looking north towards diversion tunnel - Portal location.
photCL SCE 02 - 44923
Visual Materials
Big Creek, Mammoth Pool - Site of lower tunnel portal.
photCL SCE 02 - 40691
Visual Materials
Big Creek, Mammoth Pool - South toward diversion tunnel portal showing clearing operations.
photCL SCE 02 - 44924
