in length, that runs in a southeast-trending direction and includes Marble Mountain, Bare Mountain, West Crater, and Trout Creek Hill. The field has a diameter of , with a total area of . The tallest point within the field is the Lemei Rock shield volcano, which reaches an elevation of . Wilderness The Indian Heaven Wilderness, which encompasses an area of , lies within a forested high plateau region. It includes subalpine meadows, the volcanic field and a number of other volcanic features, more than 150 lakes, and forests. Created in 1984 by the Washington Wilderness Bill, it sits between Mount Adams and the Columbia River Gorge, a canyon of the Columbia River. Part of the Gifford Pinchot National Forest, the wilderness area includes of the Pacific Crest Trail, which traverses it from north to south, as well as seven other tributary trails, that form a network of trails. The area is relatively inaccessible, as roads are covered by snow until June annually though snow melts by mid-July in most years, permitting visitors in the fall season. Ecology The plateau that contains the Indian Heaven Wilderness features forests, which are predominantly made up of Pacific silver fir, noble fir, and subalpine fir trees, though there are also Western red cedars, mountain hemlock, grand firs, and Engelmann spruce. Other flora found in the vicinity include an understory of huckleberry plants and beargrass, in addition to colorful wildflowers; vine maples; flowering plants such as blueberry, heather, vanilla leaf, and false hellebore; and aromatic wintergreen. Many of the area's lakes get stocked with trout species like cutthroat, rainbow, and brook trout. Amphibians such as frogs can be found in the wilderness, while terrestrial animals in the area include deer, elk, and American black bears. Because of the abundance of mosquitoes within the vicinity, Indian Heaven is sometimes informally referred to as Insect Heaven. Human history Indian Heaven and the surrounding wilderness area have played an important role in local Native American life for about 10,000 years, and the vicinity was originally called Sahalee Tyee by native peoples, which loosely translates to Indian Heaven. The Sawtooth Berry Fields, known globally for their huckleberries, burned during the late 1890s and again in 1902. Later fires helped maintain the fields by drying their berries. From 1902 to the mid-1920s, local tribes including the Yakama, Klickitat, Wasco-Wishram, and Umatilla, as well as Native American groups from Montana