I’ve never been on a hike more than a mile or two, but I found your site and was inspired to go out to Yosemite and do the Waterwheel trek via Glen Aulin from Tuolomne Meadows. I did it in one day as well, and had a great time. The only downer was that my camera acted up in the stretch between Glen Aulin and Waterwheel Falls so I wasn’t able to get any photos of that area. Very disappointed. I did manage to get a lot of other shots, though.
Thanks for the inspiration!