Just peeking over the top of the glory hole naturally for the first time in over a decade, February 16, Monticello Dam is a foot (93 m) high concrete arch dam in Napa County, California, United.
Located at the Monticello Dam at Lake Berryessa in Northern California, this gigantic drain acts as the lake’s spillway. Technically known as the Morning Glory Spillway it is locally, somewhat more colorfully, known as “The Glory Hole.”. While this is the largest drain of its kind.
Submit your own tip. The Glory Hole, March Glory Hole - Monticello Dam Drain. Here she is, finally getting to do what glory holes do! [Jolene, 03/15/].