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A few years ago I stayed the night at Tusayan, about 5-10 miles south of the South Rim of the canyon. There are several standard motel chains and a few restaurants there. I then got up early to drive up to Grand Canyon Village. I can't say if that's the best view, but you can see the photo I captured here and judge for yourself. I can certainly say that it was an impressive experience in person. It looks like the National Park Service list sunrise/sunset times.