From the Meysan Lakes Trailhead parking lot, entering the Whitney Portal Campground.Passing some private cabins on the way to the Meysan Lakes Trail.Along Meysan Lakes Trail.The trail climbs to the saddle ahead.View back as the trail crosses a rocky drainage.Small creek crossing around 10,000 feet.Approaching the saddle.Leaving the Meysan Lakes Trail at the saddle, headed south.Descending about 100 feet into a marshy bowl.Grass Lake.Gaining a spur below the ascent chute.View back.Following a sandy drainage to the base of the ascent chute.Loose Class 2 terrain inside the chute.Veering to the climber's left toward a notch.View back down the chute.Nearing the notch.View back from the notch.Contouring northeast toward Lone Pine Peak.At the saddle between Lone Pine Peak and Rosco Peak.Starting up the west slope of Lone Pine Peak.View back toward Rosco Peak. In the distance, Mount Langley (left), Mount LeConte (right of center), and Mount Mallory (far right).Gaining the ridge crest. Sharp falloff to the north. From here, I contoured the tame southern slopes.Lone Pine Peak summit ahead.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 over to Rosco Peak.Sky pilot flower.Class 2.My progress along the ridge was impeded by a 40-foot cliff.I backtracked about 100 yards and found this weakness which provided access to the northern slopes.View back at the Class 3 downclimb used to access the north slope of Rosco Peak. I used the wide ledge in the center.Contouring the north side of the ridge to Rosco Peak.View back toward Lone Pine Peak.Gaining the ridge crest.Dropping down to the south side of the ridge, aiming for the Class 2 chute on the left.Inside the chute. I regained the ridge crest via the notch on the top right.View back down the chute.Back on the ridge. Class 3.Class 2 ledge system on the south slope. Great views of Mount LeConte and Mount Corcoran.Rosco Peak summit ahead.Rosco Peak summit. View west toward Mount LeConte (center) and Mount Mallory (right).View east toward Lone Pine Peak. The 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.
