Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek - Mammoth Pool - Diversion tunnel inlet from inside.
photCL SCE 06 - 45248
Visual Materials
Big Creek - Mammoth Pool - Diversion tunnel outlet from inside.
photCL SCE 06 - 45250
Visual Materials
Big Creek - Mammoth Pool - Diversion tunnel outlet from inside.
photCL SCE 06 - 45251
Visual Materials
Big Creek - Mammoth Pool - K-Braces inlet portal of diversion tunnel.
photCL SCE 06 - 45267
Visual Materials
Big Creek - Mammoth Pool - Outlet portal of diversion tunnel from inside tunnel.
photCL SCE 06 - 45266
Visual Materials
Big Creek - Mammoth Pool - First water breaking through from river to inlet channel of diversion tunnel.
photCL SCE 06 - 45269