Yosemite, << yoh SEHM ih tee, >> Falls, in California’s Yosemite National Park, is one of the world’s highest waterfalls. It is formed by Yosemite Creek as it plunges 2,425 feet (739 meters) down a rock wall. Yosemite Falls has three parts: Upper Falls, 1,430 feet (436 meters) high; the intermediate cascade, 675 feet (206 meters); and Lower Falls, 320 feet (98 meters).