Madden Dam in 1961. It was built in 1935.

Madden Dam and the lake.
Madden Dam and its lake.

Madden Dam and Powerstation.
Madden Dam and Powerstation.

Madden Lake.
Madden Lake originally provided hydropower and up to 1/3 of the canal's annual water needs.
The lake is now called Lago Alajuela.
Madden Dam face. Would this water end up in the Atlantic, Pacific or both?


Madden Power Station.