Nothing close.
most recommend Valencia RV Village, north of Universal City.
It's also just a little west of Six Flags.
better get reservations quick, if they have anything available.
Kinda of late to looking for campsites now, for summertime in California!
Dan- Firefighter, Retired:C, Shawn- Musician/Entrepreneur:W, Zoe- Faithful Golden Retriever(RIP:(), 2014 Ford F150 3.5 EcoboostMax Tow pkg, 2016 PrimeTime TracerAIR 255 w/4pt Equalizer and 5 Mtn. bikes and 2 Road bikes