Best views i've ever had camping. If you have a capable vehicle, it is well worth the 1hr + drive to get up here. We saw 4 or 5 spots with fire rings on the rim of the canyon.
Dont be fooled by the reviews saying that you wont have problems in 2wd as long as you go through the Sand Flats. The last .1 miles would be nearly impossible in most low, 2wd vehicles. We saw a Ford Focus parked below the last stretch, and a Subaru Crosstrek that made it to the top no problem.
We made it up in a 1987 RWD camper van, but it was the limit of what the van is capable of. If you come from the Sand Flats, the 9 mile drive is very manageable for most vechicles, up until the last .1 miles or so. If you're looking to camp right on the rim, you definitely need high clearance, but not necessarily 4x4. We nearly turned back, but pushed through to the upper sites despite the van begging me not to. Worth it.