This area is a wilderness area so camping is plentiful. However in this particular are there is no organized campsite specifically. Instead there are several areas where you can with permissions hike in and stay.
My suggestion for camping along this area are to check with local restrictions, there are some that you will want to make sure you know first hand. Sometimes fire restrictions do change and these can be found at the beginning of the trails on the kiosks. Some areas also are not permitted for overnight parking so you want to check those out before venturing into the wilderness for a lengthy time.
Check with rangers of the area to make sure you are not in a register only or permit only area for camping!! Very important in this region.
Bring everything and then plot your course.
The 4 mile hike is amazing and has many beautiful view points however it is also quite treacherous in some areas. This area is also one which you will find many snakes lurking during warmer months so beware!!!!
I always suggest on wilderness hikes to not hike alone or camp alone but this one I found to be more problematic with limited to no cell service for assistance should you encounter danger.
Be careful but have fun!!!