Two waterfalls, Yosemite National Park, central California, U.S. Formed by creeks tumbling into the Yosemite River valley, the upper falls drop 1,430 ft (436 m) and the lower, 320 ft (98 m). With the cascades between, the total drop from the crest of the upper to the base of the lower is 2,425 ft (739 m), one of the world's longest cataracts