I have one day in Yosemite in early May, but it's a full day - can start early and end as late as I want. What's your recommendation to see as much as possible? I'm looking at going up four mile trail, then across the Panorama trail and down the falls trail to Happy Isles and catching the shuttle back. Is this the best option to see as much as possible (panoramas, falls, quiet trails, beautifuby fred - Backpacking and Hiking Yosemite and the Sierra