It's one of the biggest fundraisers in the battle against cancer and you can help the cause beginning Friday.
Hundreds of people are expected to show up at the Kaiser Permanente Sports Village to take part in the annual Campout Against Cancer.
Multiple activities are scheduled throughout the event, which has a goal of raising $500,000.
More than $300,000 has been raised so far.
The event will continue through Sunday, rain or shine.