Entrance to the Whitney Portal Campground from the Meysan Lakes Trailhead.Private cabins along Campground Road.Joining the Meysan Lakes Trail.Climbing to the saddle ahead.View back as the trail cuts across a rocky drainage.Approaching the saddle.Leaving the Meysan Lakes Trail at the saddle, headed south toward Lone Pine Peak.Dropping into a marshy bowl.Grass Lake.View back.Following a sandy drainage to the base of Lone Pine Peak.Starting up a loose chute.Veering left toward a notch.View back.Approaching the notch.View back from the notch.Contouring a northern slope toward Lone Pine Peak.Arriving at the saddle between Lone Pine Peak and Rosco Peak.Class 2 along the ridge to Lone Pine Peak.View back toward Rosco Peak. In the distance is Mount Langley (left), the pinnacles of Mount Corcoran and Mount LeConte (center), and Mount Mallory (right).Along the ridge crest. Sharp falloff to the north.Approaching the summit.Lone Pine Peak summit. View east.View northwest. Mount Whitney is on the left.View west.Returning to the saddle between Lone Pine Peak and Rosco Peak.Traversing to Rosco Peak.Sky pilot flower.Class 2.Along the ridge crest, impeded by a 40-foot cliff.Backtracking about 100 yards to a weakness used to access the northern cliffs.View back at the weakness. I lowered myself onto the wide platform in the center of the frame to avoid the overhanging crack on the right.Crossing the northern cliffs. Class 2.View back toward Lone Pine Peak.Regaining the ridge crest.Dropping down on the south side of the ridge, aiming for a Class 2 chute that leads to the notch, top-center.Ascending the chute toward the notch, top-right.View back down the chute.Class 3 along the ridge crest.Following a ledge on the southern cliffs. Great views of Mount LeConte and Mount Corcoran.Rosco Peak summit ahead.Rosco Peak summit. View west toward Mount LeConte (left of center) and Mount Mallory (right).View east toward Lone Pine Peak. Roscoe Peak's Class 3 summit block is on the right.On the descent, dramatic light on Mount Irving.Final view back toward Lone Pine Peak from the Meysan Lakes Trail.