|Upper Yosemite Falls Moonbow|
Fortunately if you'd like to know when they're most likely to be visible in Yosemite Valley, Don Olson of the Department of Physics at Texas State University has made it easy for you, publishing predictions for Upper Yosemite Fall and Lower Yosemite Fall.
Lower Yosemite Fall from Cook's Meadow.
Moonbow reflected in a vernal pool in Cook's Meadow.
From the short hiking path to the base of Lower Yosemite Fall.