Yosemite National Park is a
United States National Park spanning eastern portions of Tuolumne, Mariposa and
Madera counties in the central eastern portion of the U.S. state of California.
The park, which is managed by the National Park Service, covers an area of
761,268 acres (3,080.74 km) and reaches across the western slopes of the
Sierra Nevada mountain chain. Over 3.7 million people visit Yosemite each year:
most spend their time in the seven square miles (18 km) of Yosemite
Valley. Designated a World Heritage Site in 1984, Yosemite is internationally