From the trailhead lot, a short connector joins the PCT/JMT. Cross the Dana and Lyell forks on footbridges, then turn south onto Rafferty Creek Trail. The climb starts steeply as it leaves the Tuolumne River plain, eases around mile 2.5, and continues through lodgepole forest beside the creek. There are occasional views toward Kuna Crest, but most of this stretch is a steady high-country climb.
Around mile 5.3, the trees give way to a long meadow leading toward Tuolumne Pass. Vogelsang and Fletcher peaks come into view ahead; look back for a wider view across the Tuolumne basin and Sierra crest. At the Merced Lake branch, follow the route toward Boothe Lake for the final 0.6 mile.