My wife found this spot while we were heading back to New Hampshire after 4 weeks in Utah. The trails getting in are fairly sandy but very easy to follow, I recommend 4WD and some clearence. We were able to tow our square drop off-roading camper back there with no issues. The campsites are on the top of a cliff that overlooks the Colorado river. We didn't explore enough to find a way down to the river so I can't say there is water access. The pit toilet was remarkably clean and the site we stayed at was better than average as far as litter goes. The sites are spread out enough that it feels fairly private and there were only two other groups there the night we stayed. 

This spot is so close to I70 that it made for an easy overnight stop. Just a couple of miles from the interstate and we were in the back country and in the morning we were back on the road in a flash.