Yosemite Creek Yosemite Creek Yosemite Creek is a creek of the Sierra Nevada, located in Yosemite National Park, Mariposa County, California. The creek's headwaters are at the Grant Lakes (), and it flows southwest to drop over Yosemite Falls to Yosemite Valley, then flows southeast to its mouth at the Merced River, just southwest of Yosemite Village. () The Merced is a tributary of the San Joaquin River, in the San Joaquin Valley. Today, Yosemite Creek flows over the Yosemite Valley rim to create Upper Yosemite Fall. Before its diversion about 130,000 years ago, Yosemite Creek flowed down an older channel just
History of the Yosemite area Muir died he expressed the hope that "some compensating good must follow" from the Raker Act. The fight over the dam strengthened the conservation movement by popularizing it nationally. The administration of Yosemite National Park was transferred to the newly formed National Park Service in 1916, when W. B. Lewis was appointed as the park's superintendent. Parsons Memorial Lodge and Tioga Pass Road, along with campgrounds at Tenaya and Merced lakes, were completed the same year; six hundred automobiles entered the east side of the park using Tioga Road that summer. The "All-Weather Highway" (now State Route 140) opened in