Rainbow Park Campground is 26 miles from the Temporary Visitor Center. It is located on a dirt road that is impassable when wet. The campground is on the Green River at the boat ramp at the head of Split Mountain Canyon.
Rainbow Park Campground has four shady sites with limited facilities. There is no running water. It has a vault toilet. There are tables and firepits. Suitable for tent camping only. No fee.
Rainbow Park Campground is open year-round, but there is no winter maintenance on the dirt road.