Flaming Gorge Reservoir is the largest

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

Wyoming Wyoming () is a U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the south ...

, on the

Green River Green River may refer to: Rivers Canada * Green River (British Columbia), a tributary of the Lillooet River *Green River, a tributary of the Saint John River, also known by its French name of Rivière Verte *Green River (Ontario), a tributary of ...

, impounded behind the

Flaming Gorge Dam Flaming Gorge Dam is a concrete thin-arch dam on the Green River, a major tributary of the Colorado River, in northern Utah in the United States. Flaming Gorge Dam forms the Flaming Gorge Reservoir, which extends into southern Wyoming, submergin ...

. Construction on the dam began in 1958 and was completed in 1964. The reservoir stores of water when measured at an elevation of above sea-level (maximum).

Location

The reservoir is mainly in southwest

and partially in northeastern

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...

. The northern tip of the reservoir is southeast of

Green River, Wyoming Green River is a city in and the county seat of Sweetwater County, Wyoming, United States, in the southwestern part of the state. The population was 12,515 at the 2010 census. History The townsite of Green River, Dakota Territory was platte ...

, southwest of

Rock Springs, Wyoming Rock Springs is a city in Sweetwater County, Wyoming, United States. The population was 23,036 at the 2010 census, making it the fifth most populated city in the state of Wyoming, and the most populous city in Sweetwater County. Rock Springs is ...

, and the Southern tip is approximately north of

Vernal, Utah Vernal, the county seat and largest city in Uintah County is in northeastern Utah, approximately east of Salt Lake City and west of the Colorado border. As of the 2010 census, the city population was 9,089. The population has since grown to ...

. The lake straddles the Utah-Wyoming border. The nearby town of

Dutch John, Utah Dutch John is a town located in eastern Daggett County, Utah, United States, approximately northeast of the Flaming Gorge Dam on U.S. Route 191. The population was 145 at the 2010 census. History The town (but a census-designated place before ...

, was built to serve as a base camp during construction of the dam, and as an administrative site afterwards. Flaming Gorge Reservoir aerial

Geology

The foundation of the reservoir is a steep-sided narrow

canyon A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...

composed of siliceous

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

and hard

quartzite Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone.Essentials of Geology, 3rd Edition, Stephen Marshak, p 182 Sandstone is converted into quartzite through heating and pressure usually related to tect ...

s inter-bedded with softer shales, siltstones, and

argillite :''"Argillite" may also refer to Argillite, Kentucky.'' Argillite () is a fine-grained sedimentary rock composed predominantly of indurated clay particles. Argillaceous rocks are basically lithified muds and oozes. They contain variable amounts ...

s. About east of the dam, a road cut has revealed a

fault scarp A fault scarp is a small step or offset on the ground surface where one side of a fault has moved vertically with respect to the other. It is the topographic expression of faulting attributed to the displacement of the land surface by movement al ...

on the southbound side with about of slippage.

Recreation

Visitors enjoy

hiking Hiking is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century.AMATO, JOSEPH A. "Mind over Foot: Romantic Walking and Rambling." In ''On Foot: A Histor ...

boating Boating is the leisurely activity of travelling by boat, or the recreational use of a boat whether Motorboat, powerboats, Sailing, sailboats, or man-powered vessels (such as rowing and paddle boats), focused on the travel itself, as well as sp ...

fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment, but may also be caught from stocked bodies of water such as ponds, canals, park wetlands and reservoirs. Fishing techniques inclu ...

windsurfing Windsurfing is a wind propelled water sport that is a combination of sailing and surfing. It is also referred to as "sailboarding" and "boardsailing", and emerged in the late 1960s from the aerospace and surf culture of California. Windsurfing ga ...

camping Camping is an outdoor activity involving overnight stays away from home, either without shelter or using basic shelter such as a tent, or a recreational vehicle. Typically, participants leave developed areas to spend time outdoors in more nat ...

backpacking Backpacking may refer to: * Backpacking (travel), low-cost, independent, international travel * Backpacking (hiking), trekking and camping overnight in the wilderness * Ultralight backpacking, a style of wilderness backpacking with an emphasis on ...

cross-country skiing Cross-country skiing is a form of skiing where skiers rely on their own locomotion to move across snow-covered terrain, rather than using ski lifts or other forms of assistance. Cross-country skiing is widely practiced as a sport and recreation ...

, and

snowmobiling A snowmobile, also known as a Ski-Doo, snowmachine, sled, motor sled, motor sledge, skimobile, or snow scooter, is a motorized vehicle designed for winter travel and recreation on snow. It is designed to be operated on snow and ice and does not ...

within

Flaming Gorge National Recreation Area Flaming Gorge National Recreation Area is a United States national recreation area in Wyoming and Utah. Its centerpiece is the long Flaming Gorge Reservoir. History The area was given the name "Flaming Gorge" by John Wesley Powell during his ...

, which is operated by

Ashley National Forest Ashley National Forest is a National Forest located in northeastern Utah and southwestern Wyoming. Within the Forest's bounds are (with in Utah and in Wyoming) of vast forests, lakes, and mountains, with elevations ranging from . The forest ...

. Camp sites can be found close to the dam and along Highway 191 for a fee, as well as free throughout the area. Campgrounds operated by the U.S. Forest Service close in the winter months, with the exception of Dripping Springs near Dutch John. There are also public camp sites at Buck Board and Lucerne Marinas, along Highway 530 on the west side of the reservoir. The many available fish species in the reservoir and surrounding lakes are

Colorado River The Colorado River ( es, Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and northern Mexico. The river drains an expansive, arid drainage basin, watershed that encompasses parts of ...

Cutthroat trout The cutthroat trout is a fish species of the family Salmonidae native to cold-water tributaries of the Pacific Ocean, Rocky Mountains, and Great Basin in North America. As a member of the genus '' Oncorhynchus'', it is one of the Pacific tro ...

Brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...

Rainbow trout The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead (sometimes called "steelhead trout") is an anadromous (sea-run) form of the coasta ...

Lake trout The lake trout (''Salvelinus namaycush'') is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, namaycush, lake char (or charr), touladi, togue, and grey trout. In Lake Superior, it can also ...

Kokanee salmon The kokanee salmon (''Oncorhynchus nerka''), also known as the kokanee trout, little redfish, silver trout, kikanning, Kennerly's salmon, Kennerly's trout, or Walla, is the non-anadromous form of the sockeye salmon (meaning that they do not migrat ...

, Smallmouth bass,

Burbot The burbot (''Lota lota'') is the only gadiform (cod-like) freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments di ...

and

Common carp The Eurasian carp or European carp (''Cyprinus carpio''), widely known as the common carp, is a widespread freshwater fish of eutrophic waters in lakes and large rivers in Europe and Asia.Fishbase''Cyprinus carpio'' Linnaeus, 1758/ref>Arkive The ...

. The Green River is a popular spot for fishing, mainly below the dam. The river's ice cold water and beautiful structure make it a world class, world-renowned fly fishing stream.

External links

Ashley National Forest: official Flaming Gorge National Recreation Area website

* from the

Utah Division of Water Quality The Utah Department of Environmental Quality is a state governmental organization located in Salt Lake City, Utah. DEQ's mission is to safeguard public health and our quality of life by protecting and enhancing the environment. DEQ implements State ...

Flaming Gorge Fishing Info

{{authority control Reservoirs in Utah Reservoirs in Wyoming Green River (Colorado River tributary) Lakes of Daggett County, Utah Lakes of Sweetwater County, Wyoming Colorado River Storage Project Ashley National Forest Energy infrastructure completed in 1964 1964 in Utah 1964 in Wyoming Protected areas of Daggett County, Utah Protected areas of Sweetwater County, Wyoming 1964 establishments in Wyoming

Location

Geology

Recreation

See also

Further reading

External links