Try the other side of the valley, the Glacier Point Tail that goes to... Glacier Point.
http://www.yosemitefun.com/glacier_trail_topo.jpg
http://www.yosemitefun.com/glacier_point.htm
Or, if Tioga Pass is open, drive to Tuolumne Meadows and hike to Cathedral Lakes. The two lakes are beautiful especially the upper one.
http://www.thebackcountry.org/topo/c...edral_topo.htm
http://www.thebackcountry.org/cathedral/