During one of our hikes on the John Muir trial, we ran into horses at the top of Neveda Falls. It turns out that you can book a mule or horse ride from Yosemite Valley to Clarks Point at Neveda Falls. I'm not sure I would ever do this as some parts of the trail drops 1500 ft. Besides, I love the hike and feeling the earth beneath my feet. 3 hours on a horse is way too long!!!