National Park Service, California.
Not just a great valley, but a shrine to human foresight, the strength of granite, the power of glaciers, the persistence of life, and the tranquility of the High Sierra. First protected in 1864, Yosemite National Park is best known for its waterfalls, but within its nearly 1,200 square miles, you can find deep valleys, grand meadows, ancient giant sequoias, a vast wilderness area, and much more.
You can drive to Yosemite year-round and enter via Highways 41, 140, and 120 from the west. Tioga Pass Entrance (via Highway 120 from the east) is closed from approximately November through late May or June. Hetch Hetchy is open all year but may close intermittently due to snow. Please note that GPS units do not always provide accurate directions to or within Yosemite.