The Giant Sequoias (Sequoiadendron gigantean) of the Sierra Nevada. The Sierra Nevada is home to 75 groves of Giant Sequoias nestled in the Western Slope of the Sierra Nevada Mountains. These Groves of Giant Sequoias are found in Sequoia National Park, Kings Canyon and in the Yosemite national park. There are only three major groves of Giant Sequoias within the Yosemite National Park: The Mariposa grove, Merced & Tuolumne Grove of Giant Sequoias. These giant trees were named after the Cherokee Indian Chief known as Sequoyah.
The Giant Redwoods or costal redwoods are different. They grow on lower elevation and far along California coats mostly found between Big Sur and Crescent City in Northern California.
Redwood National Park in in Northern California is home to the world's tallest trees (378 feet tall