Quaking Aspen Falls (also called Tioga Pass Falls) is a 25-foot, multi-stranded waterfall off Tioga Pass Road in Yosemite National Park. The drainage of the stream relies completely on rain and snow runoff, and often dries up by August.

Sources

http://www.world-of-waterfalls.com/yosemite-quaking-aspen-falls.html

A Definitive Guide to the Waterfalls of Central and Southern California, Chris Shaffer, 2004