RELATED: Security concerns grow for Napa's BottleRock festival
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Headliners include Maroon 5, Tom Petty and the Heartbreakers and Foo Fighters'.
The weekend concert has been sold out for months.
"It's our biggest weekend of the year, Napa is about to be taken over," said Mike Olson, General Manager of Napa Palisades Saloon.
RELATED: Foo Fighters, Tom Petty, Maroon 5 to headline Napa's BottleRock festival
Olson has ordered extra beer and hundreds of hot dogs and hamburgers to feed the crowds expected.
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Many BottleRock fans will be camping.
Special parking is available for car campers and those with RVs.
BottleRock management declined to discuss security measures at the event but did say patrons should expect metal detectors, wands and bag checks at the security checkpoint.
The Napa police department plans to have extra officers on duty around the event and are working with allied agencies keep everyone safe.
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