You won't need an exit permit hiking from a trailhead from the West side. I've done a couple of trips from Road's End in King's Canyon NP via Forester pass, another of the same via Colby pass (this one is more scenic and remote), and one from the Mineral King trailhead in Sequoia NP. The Whitney route from Cedar Grove (Road's End) via Forester is the shortest of any possible route from western trailheads, about 60 miles or so from "car to car". The only disadvantage of course is the logistics since it is about a 6 hour drive between trailheads.
Last edited by bruce; 05/11/19 07:38 AM.