This loop travels into the heart of the Ansel Adams Wilderness to almost the boundary of Yosemite National Park. You will have impressive views of Mammoth the Eastern Sierra and the Lyell region of Yosemite. Part of the loop requires traversing the saddle of Triple Divide Peak from Slab Lakes over to Turner Lake. It is class 2 terrain and as long as you work your way down to Turner Lake, you can head directly up to the Post Peak Pass Trail where you will gradually descend back to the trailhead at Fernandez.