Sequoiadendron giganteum is the sole living species in the genus Sequoiadendron, and one of three species of coniferous trees known as redwoods, classified in the family Cupressaceae in the subfamily Sequoioideae, together with Sequoia sempervirens and Metasequoia glyptostroboides. Giant sequoia specimens are the most massive trees on Earth. The common use of the name sequoia usually refers to Sequoiadendron giganteum, which occurs naturally only in groves on the western slopes of the Sierra Nevada mountain range of California.
Kings Canyon National Park is an American national park in the southern Sierra Nevada, in Fresno and Tulare Counties, California. Originally established in 1890 as General Grant National Park, the park was greatly expanded and renamed to Kings Canyon National Park on March 4, 1940. The park's namesake, Kings Canyon, is a rugged glacier-carved valley more than a mile (1,600 m) deep. Other natural features include multiple 14,000-foot (4,300 m) peaks, high mountain meadows, swift-flowing rivers, and some of the world's largest stands of giant sequoia trees. Kings Canyon is north of and contiguous with Sequoia National Park, and both parks are jointly administered by the National Park Service as the Sequoia and Kings Canyon National Parks.
Sequoia National Park is an American national park in the southern Sierra Nevada east of Visalia, California. The park was established on September 25, 1890, to protect 404,064 acres of forested mountainous terrain. Encompassing a vertical relief of nearly 13,000 feet (4,000 m), the park contains the highest point in the contiguous United States, Mount Whitney, at 14,505 feet (4,421 m) above sea level. The park is south of, and contiguous with, Kings Canyon National Park; both parks are administered by the National Park Service together as the Sequoia and Kings Canyon National Parks. UNESCO designated the areas as Sequoia-Kings Canyon Biosphere Reserve in 1976.
Calaveras Big Trees State Park is a state park of California, United States, preserving two groves of giant sequoia trees. It is located 4 miles (6.4 km) northeast of Arnold, California in the middle elevations of the Sierra Nevada. It has been a major tourist attraction since 1852, when the existence of the trees was first widely reported, and is considered the longest continuously operated tourist facility in California.
The Giant Sequoia National Monument is a 328,000-acre (1,330 km2) U.S. National Monument located in the southern Sierra Nevada in eastern central California. It is administered by the U.S. Forest Service as part of the Sequoia National Forest and includes 38 of the 39 Giant Sequoia groves that are located in the Sequoia National Forest, about half of the sequoia groves currently in existence, including one of the ten largest Giant Sequoias, the Boole Tree, which is 269 feet high with a base circumference of 112 feet. The forest covers 824 square miles.
Nelder Grove, formerly known as Fresno Grove when it was within a much larger 19th-century Fresno County, is a Giant sequoia grove located in the western Sierra Nevada within the Sierra National Forest, in Madera County, California.
Mariposa Grove is a sequoia grove located near Wawona, California, United States, in the southernmost part of Yosemite National Park. It is the largest grove of giant sequoias in the park, with several hundred mature examples of the tree. Two of its trees are among the 30 largest giant sequoias in the world. The grove closed on July 6, 2015, for a restoration project and reopened on June 15, 2018.
Sequoia National Forest is located in the southern Sierra Nevada mountains of California. The U.S. National Forest is named for the majestic Giant Sequoia trees which populate 38 distinct groves within the boundaries of the forest.
Tahoe National Forest is a United States National Forest located in California, northwest of Lake Tahoe. It includes the 8,587-foot (2,617 m) peak of Sierra Buttes, near Sierra City, which has views of Mount Lassen and Mount Shasta. It is located in parts of six counties: Sierra, Placer, Nevada, Yuba, Plumas and El Dorado. The forest has a total area of 871,495 acres. Its headquarters is in Nevada City, California. There are local ranger district offices in Camptonville, Foresthill, Sierraville and Truckee.
The Giant Forest, famed for its giant sequoia trees, is within the United States' Sequoia National Park. This montane forest, situated at over 6,000 ft (1,800 m) above mean sea level in the western Sierra Nevada of California, covers an area of 1,880 acres (7.6 km2). The Giant Forest is the most accessible of all giant sequoia groves, as it has over 40 mi (64 km) of hiking trails.
Freeman Creek Grove is a grove of giant sequoias located in Giant Sequoia National Monument in the Sierra Nevada in eastern California. The area is a botanical reserve under administration by the Sequoia National Forest, except for one small inholding. The largest unlogged grove outside of a national park, it covers about 1,425 acres (5.77 km2) in the Freeman Creek Watershed, mainly south of Freeman Creek. Freeman Creek itself is a tributary of the Kern River.
Mountain Home Grove is a grove of giant sequoia trees located in the southern part of the Sierra Nevada Mountains of California, and includes some of the largest trees in the world.
The Boole Tree is a giant sequoia in the Converse Basin Grove of Giant Sequoia National Monument, in the Sierra Nevada, in Fresno County, California. It is estimated to be over 2,000 years old.
The Genesis Tree is a giant sequoia that is the seventh largest tree in the world. It is located within the Mountain Home Grove, a giant sequoia grove located in Mountain Home Demonstration State Forest in the Sierra Nevada of eastern California. The Genesis Tree was heavily damaged by the Castle Fire in 2020.
Balch Park is a county park in the southern Sierra Nevada mountains of California that features a grove of Giant Sequoia trees. It also has archaeological sites relating to the early Native Americans of the area, and to the late 19th- and early 20th-century logging industry that cut down many of the big trees in the area.
Allen Russell is the 32nd or 33rd largest giant sequoia in the world. It is also the largest tree in Balch County Park, and is part of the Mountain Home Grove, a sequoia grove located in the southern Sierra Nevada mountains of California, United States. It is the 34th largest giant sequoia in the world, and could be considered either the 33rd or 32nd largest depending on how badly Ishi Giant and Black Mountain Beauty have atrophied following devastating wildfires in 2015 and 2017, respectively.
Big Stump Grove is a giant sequoia grove located at the southwest entrance of Kings Canyon National Park in the Sierra Nevada of California. It is one of a group of eight close but narrowly separated Giant Sequoia groves situated in Giant Sequoia National Monument and Kings Canyon National Park.
