![California's 'glory hole' activated after weeks of heavy rain at Lake Berryessa reservoir - ABC News California's 'glory hole' activated after weeks of heavy rain at Lake Berryessa reservoir - ABC News](https://live-production.wcms.abc-cdn.net.au/2053d5048d2b11eb23c42f9ac5b24236.jpg?src)
California's 'glory hole' activated after weeks of heavy rain at Lake Berryessa reservoir - ABC News
![Lake Berryessa | Field Offices | CCAO | Area Offices | California-Great Basin | Bureau of Reclamation Lake Berryessa | Field Offices | CCAO | Area Offices | California-Great Basin | Bureau of Reclamation](https://www.usbr.gov/mp/ccao/berryessa/img/lake-berryessa-oak-shores.jpg)
Lake Berryessa | Field Offices | CCAO | Area Offices | California-Great Basin | Bureau of Reclamation
![aerial photograph of Lake Berryessa, Napa County, California | Aerial Archives | Aerial and Satellite Imagery aerial photograph of Lake Berryessa, Napa County, California | Aerial Archives | Aerial and Satellite Imagery](https://m.psecn.photoshelter.com/img-get/I0000Wr1mxnCbD7o/s/600/600/Lake-Berryessa-aerial-photo-AHLE1141.jpg)
aerial photograph of Lake Berryessa, Napa County, California | Aerial Archives | Aerial and Satellite Imagery
![Berryessa Facts | VSP | Lake Berryessa | Field Offices | CCAO | Area Offices | California-Great Basin | Bureau of Reclamation Berryessa Facts | VSP | Lake Berryessa | Field Offices | CCAO | Area Offices | California-Great Basin | Bureau of Reclamation](https://www.usbr.gov/mp/ccao/berryessa/vsp/img/morning-glory-spillway.jpg)
Berryessa Facts | VSP | Lake Berryessa | Field Offices | CCAO | Area Offices | California-Great Basin | Bureau of Reclamation
![Carlos García Vivieca on Twitter: "The glory hole of Lake Berryessa. The 72-feet-wide and 245-feet-long hole is the Lake Berryessa spillway, a sort of oversized drain for the Monticello Dam in Napa Carlos García Vivieca on Twitter: "The glory hole of Lake Berryessa. The 72-feet-wide and 245-feet-long hole is the Lake Berryessa spillway, a sort of oversized drain for the Monticello Dam in Napa](https://pbs.twimg.com/ext_tw_video_thumb/1104747622160572418/pu/img/Ai8RFDCw4w1b1H_C.jpg:large)