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Frequently Asked Questions

Name: Napa Winery Inn
Address: 1998 Trower Avenue, Napa, CA, 94558, US
Telephone: (800) 522-8999

What is the hole in Lake Berryessa, California?

The Glory Hole is a man-made spillway that services the Monticello Dam. When the water in the reservoir gets too high, the spillway redirects the flow of the water underground to prevent it from spilling over the dam.