The dark side of Half Dome in the morning will light up in the afternoon.
I found a spot on the edge of the Merced River where I could catch the reflection of Half Dome. The exact location where I stood, while a dry spot in late October, might have been six- or eight-feet deep in raging water at the peak of the snowmelt earlier in the year.
Yosemite National Park is in eastern California, almost straight east across the state from San Francisco and south of Reno, Nevada.
Official site: National Park Service: Yosemite