Washington (tree) Washington (tree) The Washington tree is a giant sequoia in the Giant Forest Grove in Tulare County, California, within Sequoia National Park. It is named after George Washington, first President of the United States. Until it partially collapsed in January 2005, the Washington tree was the second largest tree in the world (after the General Sherman tree). The tree was studied in 1999 by scientists from Humboldt State University and University of Washington. The tree was tall, with a basal diameter of . Its total volume was , including the main stem and the 46 largest branches . The scientists
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