Lake Berryessa: Glory Hole spillway in center of attention as reservoir reaches capacity - video Dailymotion
![The glory hole spillway at Lake Berryessa, near Napa Valley in California. The spillway is 72 feet in diameter, and the Monticello Dam is 304 feet high. : r/submechanophobia The glory hole spillway at Lake Berryessa, near Napa Valley in California. The spillway is 72 feet in diameter, and the Monticello Dam is 304 feet high. : r/submechanophobia](https://i.redd.it/zixip0i3otn61.jpg)
The glory hole spillway at Lake Berryessa, near Napa Valley in California. The spillway is 72 feet in diameter, and the Monticello Dam is 304 feet high. : r/submechanophobia
![Maria Güell i Pons on Twitter: "Play is a deeper part of human nature - Glory Hole is an emergency spillway that prevents dam overtopping by diverting waters downstream. Under dry lake Maria Güell i Pons on Twitter: "Play is a deeper part of human nature - Glory Hole is an emergency spillway that prevents dam overtopping by diverting waters downstream. Under dry lake](https://pbs.twimg.com/media/FGp1OeVWYAUCUIz.jpg:large)