The fast-moving and destructive Valley Fire has spread 70,000 acres, Cal Fire said Wednesday morning.
Since it started Saturday, Sept. 12, 585 homes have burned and hundreds of other structures were destroyed.
As state firefighters work to get the massive blaze under control, Cal Fire spokesperson Daniel Berlant confirmed Wednesday that investigators are looking at the fire’s point of origin – High Valley Road and Bottle Rock Road in Kelseyville, just south of Clearlake.
Berlant said it’s still unknown how exactly the fire started.
Mandatory evacuation orders are still in effect for parts of Lake and Napa counties.
Mandatory Evacuation Order: Butts Canyon Road to the Napa County line, including Berryessa Estates; Cobb; Seigler Canyon; Loch Lomond; Middletown; Point Lakeview to Soda Bay (SR 281); Hidden Valley Lake; All residences on Bottle Rock Road, from Harrington Flat Road; All residences on SR 175, Cobb; All residences on SR 29 at SR 53 south to SR 29 at Tubbs Lane.
Berryessa Estates; Aetna Springs Rd west of Butts Canyon Road.