Redwood Mountain Grove Redwood Mountain Grove Redwood Mountain Grove is the largest grove of giant sequoia ("Sequoiadendron giganteum") trees on earth. It is located in Kings Canyon National Park and Giant Sequoia National Monument on the western slope of California's Sierra Nevada. The grove contains the world's tallest giant sequoia (). The Hart Tree and Roosevelt Tree grow in the grove and are two of the 25 largest trees by volume in the world. The largest tree is the General Sherman Tree in the Giant Forest grove to the southeast. The Redwood Mountain Grove contains the most giant sequoia trees within its area.
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