This is the first overlook when you enter the Park at the South entrance. I posted pictures from the same vantage point last year (September 5, 2017). If you go back and look at that post again (either using the calendar on the Home Page or enter “Black Canyon” in the search line) you will see that on that day the foreground was in the shade and the background was sunny. It is pretty clear from that photo which this is called the “Black Canyon”.
Looking at the right side (partially shaded):
Looking at the left side:
