Depending on how much of an "Adventure" ride you want to make it, the 4x4 camp at Gold Lake is stunning.
However, it's not an easy ride to get into. I also don't think I can get the camper in there- the Jeep no problem, but the camper without a pintle hitch, might get mangled. I made it in on the GS with bald Tourances, but did fall down once (like that is a surprise) and it is a full on rock garden the whole way in.
It is free camping with now facilities other than outhouses.
I've heard the other campground at Gold Lake is nice, but will probably have other folks there.