The dogwood blossoms lend themselves to black and white.
The trees and cliffs seem to call for sepia tone.
I think that one needs to think differently to work in monochrome. The image needs to be perfectly sharp and have the proper contrast. I need to work on that.
To see more monochrome shots, check out Monochrome Maniacs.
If you want more photos of our recent trip to Yosemite, check back later, I'll have several posts.