Overall, this guided tour was a better option than driving on your own. The guided tour does access locations not accessible by private cars, and of course, their vehicle handled the rough and dusty roads better. We covered a lot of ground, saw key features, received nice information from our guide. The group we were with comprised on 14 people, and we were the only ones with serious interest in photography. So, the only negative of the tour was that it would have been nice to have stopped at more locations for photography. If we had more time (day trip from Grand Canyon), we would have driven around on our own afterwards. Despite this small concern, we would still recommend this tour. One other issue was the "requirement" to arrive 1.5 hours before the start time. This was not necessary, we checked in, then sat in our car in the lot for over an hour.