King Arthur (tree) King Arthur (tree) The King Arthur Tree is a giant sequoia located in Garfield Grove, the grove is near the town of Three Rivers in California. The tree was once known as the California Tree, as shown in National Park Service promotional literature from 1917 (which describes the largest tree in Garfield Grove as the "California Tree"). The King Arthur is the ninth largest giant sequoia in the world. Its base of up to about 50 feet (15 m) rivals the General Sherman, the largest giant sequoia, for total mass. The Garfield Grove comprises 2,330 acres (9.4 km) in Sequoia
Roosevelt (tree) 21st largest giant sequoia. Roosevelt (tree) The Roosevelt tree is the largest giant sequoia ("Sequoiadendron giganteum") in Redwood Mountain Grove, which is itself the largest grove of giant sequoias on Earth, which are endemic to the Sierra Nevada of California. It is located in Kings Canyon National Park and Sequoia National Forest, at . The tallest giant sequoia on earth () is also located in this grove, along with the Hart tree which is just smaller than the Roosevelt tree. The Hart tree is tall, with a volume of . The Roosevelt tree, however, has a volume of around .