![Manmade whirlpool for generating electricity in Lake Berryessa, California | Lake berryessa, Lake, Outdoor Manmade whirlpool for generating electricity in Lake Berryessa, California | Lake berryessa, Lake, Outdoor](https://i.pinimg.com/474x/ed/dc/78/eddc7804e4f43d146f910988be52762e.jpg)
Manmade whirlpool for generating electricity in Lake Berryessa, California | Lake berryessa, Lake, Outdoor
![Regenerative Travel on Twitter: "There is a mysterious hole in Lake Berryessa, California. It's not a supernatural whirlpool rather a really big drain called a spillway. The lake can hold about 521 Regenerative Travel on Twitter: "There is a mysterious hole in Lake Berryessa, California. It's not a supernatural whirlpool rather a really big drain called a spillway. The lake can hold about 521](https://pbs.twimg.com/ext_tw_video_thumb/1147515308409835521/pu/img/0v2PN-4Sj_2vjeV_.jpg)
Regenerative Travel on Twitter: "There is a mysterious hole in Lake Berryessa, California. It's not a supernatural whirlpool rather a really big drain called a spillway. The lake can hold about 521
![Lake Berryessa: The gigantic flood drain that looks like a portal into another dimension | Stuff.co.nz Lake Berryessa: The gigantic flood drain that looks like a portal into another dimension | Stuff.co.nz](https://resources.stuff.co.nz/content/dam/images/1/h/f/2/w/g/image.related.StuffLandscapeThreeByTwo.1464x976.1hf13d.png/1487809087188.jpg)