Don’t act like you don’t know what we’re talking about.
They say if you stare into the abyss, the abyss stares back at you. Visitors to Napa County, California, can put that theory to the test because – good news! – Lake Berryessa’s glory hole is back in action.

That’s the Morning Glory Spillway, to be exact: a massive, swirling drain at Monticello Dam designed to prevent flooding when Lake Berryessa’s water levels exceed 134 meters (440 feet). When that happens, the overflow spills into the drain, creating a sloshing vortex that looks very cool when viewed from above.
So, why call it a glory hole?
“My guess is because there’s a big hole and so people have chosen to utilize other terms,” Melissa Vignau told ABC10, “but the official term is the Morning Glory Spillway.”
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