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.
Lost Monarch Lost Monarch Lost Monarch is the name of a Coast Redwood ("Sequoia sempervirens") tree in Northern California that is in diameter at breast height (with multiple stems included), and in height. It is the world's fifth largest coast redwood in terms of wood volume (the Del Norte Titan was listed as the largest single-stem coast redwood tree, in part because the basal measurements of the Lost Monarch contain multiple stems). Lost Monarch was discovered on May 11, 1998, by Stephen C. Sillett, and naturalist Michael Taylor, and is located among other giant redwoods called "The Grove of Titans" in Jedediah