That is the north face of Dog Dome. The Reid-Falkenstein guide has a multipitch 5.8 route ascending a crack system in the left third of this photo.
Cool, thanks for the info, I will correct the caption.
Not to make you work more than you need to, but it is also called Dog Lake. Nice photo, by the way!
Actually, I think you are wrong. This is the north face of Lembert Dome, and the little lake is NOT Dog Lake. As far as I can find, no map names this very small lake.