All the signs at Grand Canyon warn you not to hike down to the river and back in one day , and I wasn't going to attempt it, in fact I was going to leave GC early and not hike down into the canyon at all. Then I read Bills suggestion of the South Kaibab trail and decided I should just go for it. The weather was ideal, this is the perfect time of year, 60s on the rim and 70s in the canyon and fewer tourists to degrade the beauty. Starting down the trail later than hoped at 8am , I basically ran down the canyon, passing folks left and right. Halfway down I slowed up as my knees began to cry. My hiking poles helped lessen the beating but the banging of knees on the way down was the hardest part of the hike for me-- the up was easier as I've been training and hiking for a while now. But Bill did not lie about the beauty of the South Kaibab. The views were expansive and the trail easy to hike despite being down down down. If I wasn't feeing strong and my progress slow I was...