Sorry lydiaauby, this is not Dead Horse Point, although it looks somewhat similar. There is a road leading into the gooseneck at Dead Horse Point and there is none here. If you have been to Dead Horse Point, I am sure that you drove in.
That is the Colorado River below. This is just above the Grand Canyon in NE Arizona (possibly in SE Utah). It is definitely not Monument Valley nor is it Deadhorse Point. It is somewhere between Deadhorse point and the Grand Canyon. Perhaps in the upper end of what some consider the Grand Canyon.