Hi folks! I'm sure experienced JMT and Yosemite backpackers on this forum have seen a question like mine many times before. I'm new here. Have hiked a lot in the Sierras over the last 2 decades, but only some in Yosemite, since I tend to prefer avoiding crowds. I'm planning to hike the JMT this summer, and was intending to start on the Four-Mile day hike trail, head up to Glacier Point,by Wynnejoy - Backpacking and Hiking Yosemite and the Sierra