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
Redwood Experimental Forest Redwood Experimental Forest The Redwood Experimental Forest (also Yurok Redwood Experimental Forest, formerly Yurok Experimental Forest) (established 1940) is an experimental forest in Del Norte County, California. The forest is near the mouth of the Klamath River in the California Coast Ranges of Northern California. The forest is drained by High Prairie Creek. As its name implies, the principal species in the forest is coast redwood ("Sequoia sempervirens"), but the site also contains Douglas fir, Sitka spruce, western hemlock, and Port Orford cedar. The forest is managed by the United States Forest Service. Tree ages range up to 1,200 years.