Lake Mead, AZ Camping NOT campGROUND

I am going to be headed up to Lake Mead, AZ next month and want to go camping. Camping is to get away from other people NOT going to a campground with families, showers and electricity, ect. Anyone know of any trails/places I can take my 4x4 Toyota and camp where other people hopefully wont be???
Thanks a lot, much appreciated!

 

Figures, nobody wants to give it up for fear it will be overrun.which is too bad because I was gonna ask myself the same question regarding the surrounding phx TUC payson flagstaff area.because 4wheelun at a KOA is just no damn fun.those people can be real sticks in the mud