Pomona, CA
See official site
Perris, CA
$45 /night (RV full hook-ups)
Blythe, CA
$40 short-term permit (1–14 days) or $180 long-term permit (Sep 15–Apr 15)
Chino, CA
$45 /night Mon–Thu, $55 /night Fri–Sun (hookup sites)
Yucaipa, CA
$45 /night Mon–Thu, $55 /night Fri–Sun (hookup sites)