Yosemite National Park ( Yosemite National Park (Yosemite National Park) is a national park in the United States of America, located in California and managed by the U.S. National Park Service, and was selected as a UNESCO World Heritage Site in 1984. Yosemite has many spectacular granite cliffs and has become a popular place for rock climbers. The official website of Yosemite National Park provides information on attractions, activities, and information tips.