Bright Angel, and Mather are great, but there are no bad views, all is incredibly beautiful.
All of them
Bright Angel Point.
Mathers
Start as early as possible, and if you're physically capable, plan one of the guided hikes into the canyon. It is truly majestic. Also, the Sunrises and Sunsets are amazing!
All of them beautiful
But north rim has so.e awesome wide shots too
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