It's an excellent place - the three stars are because it is not for everyone. You must be prepared and have the right equipment. We averaged about15 mph over the 34 miles, or so from the nearest paved road at Ubehebe Crater. We could have gone a little faster but I have 2 ply sidewalls on my Chevy Silverado 4x4 and only 1 spare. Those washboards will loosen fillings in your teeth. I was surprised that it looked like there was a place or two on the trail with cell phone coverage, but I'd still bring a satellite communicator like a Garmin inReach. It was very quiet, but there was no port potty. Luckily we brought a shovel...