Start from the Mosquito Flat Trailhead, and take the right fork about 1/2 mile up the trail, towards Mono Pass. Cross the pass, and descend into the Fourth Recess, and follow the drainage past the Snow Lakes. The North Face will be in plain view, continue toward the base of the peak, keeping the moraine on your right as long as possible. Gain the glacier.
Cross the glacier and choose the steep couloir in the middle of the face. Ascend this until it is possible to get on the arete/ridge on the right, and climb this ridge until there is an easy exit right onto lower angled rock that leads to the summit plateau. The route finding on the ridge is fairly straightforward. If the climbing is harder than 4th class, look around, there's probably an easier way. Once you gain the summit plateau, cross it and sign in. For a quicker descent, take the East Couloir route, it will shave about 2 miles off of the walk to the car.
Unless the snow is quite soft you will need crampons and axe. The rock part of the route is best climbed in sticky rubber shod approach shoes, as some of the climbing is tenuous and steep.
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