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
Hyperion (tree) Hyperion (tree) Hyperion is the name of a coast redwood ("Sequoia sempervirens") in California that was measured at , which ranks it as the world's tallest known living tree. Hyperion was discovered August 25, 2006, by naturalists Chris Atkins and Michael Taylor. The tree was verified as standing tall by Stephen Sillett. The tree was found in a remote area of Redwood National and State Parks purchased in 1978. It is estimated to contain of wood. The Park also houses the second tallest tree "Helios", and the third tallest "Icarus". Sillett estimates Hyperion to be 600 years old while others