The Glory Hole Spillway

Took a little adventure to the Glory Hole, which is a 28 ft full pipe spillway for Lake Berryessa. The water is 50 degrees, so there wasnt much swimming done.
Looking right down into the overflow spillway shaft in the vartry reservoir in Roundwood, county Wicklow, Ireland. Its enormous. The tunnel at the bottom of the .
Harriman dam morning glory spillway in Windham county, Vermont, USA. This inverted bellmouth spillway acts like a giant drain and stops the water level of the .
The Glory Hole spillway at the Vartry reservoir in Roundwood, county Wicklow, Ireland. This inverted bell mouth spillway prevents the water from rising high .