A strenuous trail for experienced Grand Canyon hikers, I hiked the Hermit Trail from Hermit’s Rest to Granite Rapids and back. *There’s another part to my story, someone who was in the background, but the reason behind my successful solo hike. Eric Stanley, a supervisor at the Grand Canyon General Store and top-notch in wilderness and adventure sports, advised me — especially on how much water was needed for a trail like this. He loaned me some of his gear, saving me on costly rentals. He …