Atv Riding Areas California

What is a good area for ATV riding and a little camp near Orange County, California?

I'm looking to go riding and camping for ATV one night somewhere near the Orange County area in California. What is a good place to do this enough for inexperienced riders?

Up behind Lake Arrowhead is a green SUV sticker premises, pinnacles staging area, you can camp on the north side camping area. http://www.fs.fed.us/r5/sanbernardino/documents/SanBernardinoMVUMNorthNewsprint.pdf

Mammoth California OHV riding area