This was on a Sunday trip to two dams up the Marabasco river. This dam is the first just past Cihuatlan and is a diversion dam for irrigation. One side goes to Colima and the other to Jalisco. What this dam does for people wanting to relax and cool off on the weekends is creating several swimming holes both above and below.
Spending a day here used to be a much more regular thing until Hurricane Jova came through in 2011 and swept away all the shade trees and changed the whole river bed. The swimming holes are coming back but there is no shade to speak of. Be smart and bring your own if plan to stay the day like many do.
Irrigation dam from below
Can't see the dam from above
Good swimming behind the dam
Lake behind dam
Halfway up the valley to second dam
Wide but very shallow