Loads of spots to camp around here, we explored (I think) 703C and when there were no spots on that road went to 703J, no problems driving down anything in the Toyota Corolla we'd rented. You can pickup a map of the roads detailing exactly where you are allowed to camp at the start of the area. Campsite we found was right at the end of 703J and was nice enough although there were more mosquitos than I have seen in my life! Bug spray stopped them biting but we couldn't stop them swarming around us!

Nice grassy area for tent camping, small river that runs through the campsite. Small shop on site along with showers, bathrooms and laundry.

Great campsite with rock climbing right near by, payment is to an iron ranger, first come first served sites, there are maybe 15 or so. Was pretty empty when we visited although it was pretty hot.

Was a fine campsite, people were driving past in the night but most annoyingly the ground could only have been harder if it was literal rock! It took 30mins at least to put in the 6 pegs I need for my tent. If I had a car/RV to sleep in or perhaps visited in a different season I'd have rated it 4/5.

Load of campsites, you can access Forsythe Canyon Trailhead in any car but you will need a high clearance vehicle to get any further. Loads of spots to camp, some better than others but they do seem to fill up quick. If you park at the trailhead like we had too (rental car) then the hike all the way down is only 1hr or so maybe less

There is a car park just south of the location marker on the dyrt, there are some campsites very close to this, one of which we used. They are still fairly private but the best are likely deeper down into the canyon. We were able to access this in a Toyota Corolla although there was a fairly deep "ditch" to cross when entering the car park.