Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek Powerhouse #4 - Penstock viewed from Outlet Portal of Tunnel #2.
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Visual Materials
Big Creek Powerhouse #4 - Looking down penstock line from top of penstock.
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Visual Materials
Big Creek Powerhouse #4 - View from across river of excavation for Powerhouse #4, and Penstock.
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Visual Materials
Big Creek Powerhouse 4 - Powerhouse No. 4 - showing Penstock and Switchyard
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Visual Materials
Big Creek Powerhouse #4 - Looking up penstock line from powerhouse [site].
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Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [site for powerhouse 4 viewed from lower portal of Tunnel #2 - graded area on left is for Switchyard]
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