It’s a circular spillway that drains the lake when the water level reaches 440 feet. A view of the Glory Hole spillway at the Monticello dam in Lake Berryessa, Calif., on Tuesday, March 18, 2025.

California is activating a 70-feet wide "glory hole" — or "passive spillway," in the technical nomenclature — that spills into a huge drain.

A rare and mesmerizing scene is taking place in the North Bay as the round "glory hole" spillway at Lake Berryessa is active for the first time in six years.

Lake Berryessa’s Giant “Glory Hole” Finally Sees Some Action After 5-Year Dry Spell Don’t act like you don’t know what we’re talking about.

The enormous 'glory hole' in Napa County's Lake Berryessa is visible for the first time since 2019 after California experienced record rainfall this winter.

Lake Berryessa to begin charging boaters for decontamination services Their website says rates will vary based on the complexity and size of the watercraft and will range from $25 to $200.

A circular drain at Lake Berryessa in Napa County, known as the Morning Glory Spillway, has been active, drawing spectators seeking to get a glimpse of the rare funneling whirlpool.

A rare sight has returned to California's Lake Berryessa for the first time since 2019. The famous Glory Hole Spillway is in full flow. This massive circular drain at Monticello Dam funnels excess ...

Lake Berryessa’s famed “Glory Hole” spillway, located about 80 miles north of San Francisco, experienced its first spillover in years after water levels on the man-made reservoir exceeded ...

Watch: Water pours into unique spillway in California's Lake Berryessa for the first time in six years The hole at Lake Berryessa is a unique drainage feature that is the overflow valve for that ...