|The Flat Tops|
|Peak||Flat Top Mountain|
|Elevation||12,361 ft (3,768 m)|
|Parent range||Rocky Mountains|
The Flat Tops is a mountain range located in Colorado within the Routt and White River National Forests.Much of the range is within the boundary of the Flat Tops Wilderness Area. While there are notable peaks in the Flat Tops, the dominant feature of the range is the high plateau from which the peaks arise. The plateau forms the northeastern portion of the White River Uplift capped by horizontal basalt flows from tertiary volcanic activity and is bounded by steep drops to valleys carved out by subsequent glaciation. The resulting mix of areas of treeless plateau at an elevation of 11,000 to 12,000 feet interspersed with verdant valleys is unique among Colorado mountain ranges. The area contains approximately one hundred and ten ponds and lakes and is home to a wide variety of plants and animals, including many large mammals such as moose, elk, mule deer, black bear, and cougars. This area has been affected by the non-native plant species, yellow toadflax. The most common trees are Engelmann spruce, subalpine fir and lodgepole pine, with aspen groves at lower elevations. The top of the plateau is alpine tundra.
The highest point in the Flat Tops is the summit of Flat Top Mountain (12,361 ft) on the east side of the range. The Devil’s Causeway, perhaps the most popular geologic feature and notorious hiking experience in the Flat Tops, is located in the same area. The Causeway is a narrow neck of the plateau where eroding glaciers on either side almost met. A trail crosses the Causeway which at its narrowest is 3 to 4 feet wide with drop-offs of hundreds of feet to the valleys on either side.
The eastern side of the Flat Tops Wilderness Area can be accessed by Routt County Rd 7 through the town of Yampa, Colorado.
The most well-known destination approached from the west side of the range is Trappers Lake.
Devils Postpile National Monument is a U.S. National Monument located near Mammoth Mountain in Eastern California. The monument protects Devils Postpile, an unusual rock formation of columnar basalt. It encompasses 798 acres (323 ha) and includes two main tourist attractions: the Devils Postpile formation and Rainbow Falls, a waterfall on the Middle Fork of the San Joaquin River. In addition, the John Muir Trail and Pacific Crest Trail merge into one trail as they pass through the monument. Excluding a small developed area containing the monument headquarters, visitor center and a campground, the National Monument lies within the borders of the Ansel Adams Wilderness.
Mount Thielsen, or Big Cowhorn, is an extinct shield volcano in the Oregon High Cascades, near Mount Bailey. Because eruptive activity ceased 250,000 years ago, glaciers have heavily eroded the volcano's structure, creating precipitous slopes and a horn-like peak. The spire-like shape of Thielsen attracts lightning strikes and creates fulgurite, an unusual mineral. The prominent horn forms a centerpiece for the Mount Thielsen Wilderness, a reserve for recreational activities such as skiing and hiking. Thielson is one of Oregon's Matterhorns.
The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area of 336,700 km2 (130,000 mi2) within western Colorado, northwestern New Mexico, southern and eastern Utah, northern Arizona, and a tiny fraction in the extreme southeast of Nevada. About 90% of the area is drained by the Colorado River and its main tributaries: the Green, San Juan, and Little Colorado. Most of the remainder of the plateau is drained by the Rio Grande and its tributaries.
The East Humboldt Range is a mountain range in Elko County, Nevada, United States. It is located along the eastern edge of the upper watershed of the Humboldt River, which flows to the southwest from its source just north of the range. The range reaches a maximum elevation of 11,306 feet (3,446 m) atop Hole in the Mountain Peak. Most of the range is included within the Ruby Mountains Ranger District of the Humboldt-Toiyabe National Forest. In 1989, the United States Congress passed the Nevada Wilderness Protection Act establishing over 36,000 acres (150 km2) of the range as the East Humboldt Wilderness. The range takes its name from the Humboldt River. The name ultimately is derived from the German naturalist Alexander von Humboldt.
Indian Heaven is a volcanic field in Skamania County in the state of Washington, in the United States. Midway between Mount St. Helens and Mount Adams, the field dates from the Pleistocene to the early Holocene epoch. It trends north to south and is dominated by six small shield volcanoes; these shields are topped by small spatter and cinder cones, and the field includes a number of subglacial volcanoes and tuyas. The northernmost peak in the field is Sawtooth Mountain and the southernmost is Red Mountain; its highest point is Lemei Rock at an elevation of 5,925 feet (1,806 m).
The Uinta Mountains are an east-west trending chain of mountains in northeastern Utah extending slightly into southern Wyoming in the United States. As a subrange of the Rocky Mountains, they are unusual for being the highest range in the contiguous United States running east to west, and lie approximately 100 miles (160 km) east of Salt Lake City. The range has peaks ranging from 11,000 to 13,528 feet, with the highest point being Kings Peak, also the highest point in Utah. The Mirror Lake Highway crosses the western half of the Uintas on its way to Wyoming.
The Never Summer Mountains are a mountain range in the Rocky Mountains in north central Colorado in the United States consisting of seventeen named peaks. The range is located along the northwest border of Rocky Mountain National Park, forming the continental divide between the headwaters of the Colorado River in Rocky Mountain National Park to the local-east and the upper basin of the North Platte River to the local-west; the continental divide makes a loop in these mountains. The range is small and tall, covering only 25 sq mi (65 km2) with a north-south length of 10 mi (16 km) while rising to over 12,000 ft (3,700 m) at over ten distinct peaks. The range straddles the Jackson-Grand county line for most of its length, and stretches into Jackson and Larimer county at its northern end. A panoramic view of the range is available from sections of Trail Ridge Road in Rocky Mountain National Park. One of the northernmost peaks, Nokhu Crags, is prominently visible from the west side of Cameron Pass.
The Powderhorn Wilderness is a 62,050-acre (251.1 km2) wilderness area in Hinsdale and Gunnison Counties, Colorado, USA, located 5 miles (8.0 km) northeast of Lake City. Most of the northern part of the area, 48,115 acres (194.71 km2), about 77.5%, is located on Bureau of Land Management land and its southern portion, 13,935 acres (56.39 km2), about 22.5%, is located within the Gunnison National Forest. Elevations in the wilderness range from 8,500 feet (2,600 m) at the West Fork Powderhorn Creek to 12,661 feet (3,859 m) at the summit of Calf Creek Plateau.
The Sierra Nacimiento, or Nacimiento Mountains, are a mountain range in the northwestern part of the U.S. state of New Mexico. They are just west of the more prominent Jemez Mountains near the town of Cuba, and are separated from them by the Río Guadalupe and the Río de Las Vacas. This article will consider them as a unit together with the San Pedro Mountains, which are a smaller range contiguous with the Sierra Nacimiento on the north, and which are also part of the Nacimiento Uplift and lie at the edge of the greater San Juan Basin, which sits atop the Colorado Plateau. The combined range runs almost due north-south with a length of about 40 mi (65 km). The highest point in the combined range is the high point of the San Pedro Peaks, known unofficially as San Pedro Peak, 10,605 ft.
Flat Tops Wilderness Area is the third largest U.S. Wilderness Area in Colorado. It is 235,214 acres (951.88 km2), with 38,870 acres (157.3 km2) in Routt National Forest and 196,344 acres (794.58 km2) in White River National Forest. It was designated a wilderness area in 1975. Trappers Lake, located in the north of the area, was the lake that inspired Arthur Carhart, a United States Forest Service official, to plead for wilderness preservation.
Medicine Bow–Routt National Forest is the official title to a U.S. Forest Service managed area extending over 2,222,313 acres (8,993.38 km2) in the states of Wyoming and Colorado, United States. What were once three separate areas, Medicine Bow National Forest, Routt National Forest, and Thunder Basin National Grassland were administratively combined in 1995 due to similarity of the resources, proximity to each other and for administrative purposes.
Glacier Peak Wilderness is a 566,057-acre (229,075 ha), 35-mile-long (56 km), 20-mile-wide (32 km) wilderness area located within portions of Chelan, Snohomish, and Skagit counties in the North Cascades of Washington. The area lies within parts of Wenatchee National Forest and Mount Baker National Forest and is characterized by heavily forested stream courses, steep-sided valleys, and dramatic glacier-crowned peaks. The dominant geologic feature of the area is 10,541-foot (3,213 m) Glacier Peak. It is the most remote major volcanic peak in the Cascade Range and has more active glaciers than any other place in the lower forty-eight states. Glacier Peak is a volcanic cone of basalt, pumice, and ash which erupted during periods of heavy glaciation.
The Sawtooth Range is a mountain range of the Rocky Mountains in central Idaho, United States, reaching a maximum elevation of 10,751 feet (3,277 m) at the summit of Thompson Peak. It encompasses an area of 678 square miles (1,756 km2) spanning parts of Custer, Boise, Blaine, and Elmore counties, and is bordered to the east by the Sawtooth Valley. Much of the mountain range is within the Sawtooth Wilderness, part of the Sawtooth National Recreation Area and Sawtooth National Forest.
The South Warner Wilderness is a federally designated wilderness area 12 miles (19 km) east of Alturas, California, USA. It encompasses more than 70,000 acres (283 km2) of the Warner Mountains. It is within the Modoc National Forest and managed by the US Forest Service. Elevations range from 5,000 feet (1,500 m) to 9,895 feet at Eagle Peak.
Flat Top Mountain is the highest summit of the Flat Tops in the Rocky Mountains of North America. The prominent 12,361-foot (3,768 m) peak is located in the Flat Tops Wilderness, 19.1 miles (30.7 km) south-southwest of the Town of Oak Creek, Colorado, United States, on the drainage divide between Routt National Forest and White River National Forest. The summit of Flat Top Mountain is the highest point in Garfield County, Colorado.
The Rawhide Mountains are a mountain range of western Arizona, in the southwest of Mohave County. It is part of a block of mountain ranges on the north of an insular region called the Maria fold and thrust belt, containing mountain ranges, valleys, and plains. The Rawhide Mountains border the much smaller Artillery Mountains southeast, bordering on Alamo Lake State Park and the south-flowing Big Sandy River.
Cannibal Plateau is a summit in Hinsdale County, Colorado in the United States. The broad 12,533-foot (3,820 m) mountain is located in the San Juan Mountains and within the Powderhorn Wilderness, a protected area managed by the Bureau of Land Management Gunnison Field Office and the Gunnison National Forest.
The White River Plateau is a "broad structural dome" located north of Glenwood Springs, Colorado and north of the Colorado River. Also called the White River Uplift, the mountainous area is shown on maps as being roughly circular in area, occupying parts of the Colorado counties of Garfield and Rio Blanco, with small portions extending into Eagle and Routt counties. The Grand Hogback marks parts of the plateau's southern and western boundaries. The Flat Tops mountain range is part of the White River Plateau, and much of the plateau is located within the White River National Forest.
The San Luis Hills are a group of small mountain ranges in Conejos and Costilla counties in the San Luis Valley in southern Colorado. The individual mountain ranges that make up the San Luis Hills include the Fairy Hills, the Brownie Hills, the Piñon Hills, and the South Piñon Hills. The San Luis Hills' highest point is Flat Top, elevation 9,206 feet
Calf Creek Plateau is a mountain in the northern San Juan Mountains of the Rocky Mountains of North America. The mountain is located in Hinsdale County, and at an elevation of 12,661 feet (3,859 m), it is the high point of the Powderhorn Wilderness.
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