The largest living things on earth are the Giant Sequoia trees. The seventy-five groves of the giant sequoia that exist today are located on the western slopes of the Sierra Nevada from Placer County to southern Tulare County, California. The groves occur between elevations of 4,500 and 8,400 feet and range in size from 1,000 to 4000 acres. Their bark is as much as 4 feet thick, 50 feet long, and branches 100 feet off the ground. Some of the largest trees measure 35 feet in basel diameter (the diameter as measured at the base of the tree). Giant Sequoias are among the most fire, disea…