Mountain rivers are characterized by high slope and flow velocity, insignificant depth, frequent rapids and waterfalls, as well as dominated washed out processes. The gradient of a mountain river is calculated at 60–80 m/km in upper stream and 5–10 m/km in lower. More precisely it is greater than or equal to 0.002 m/m along most of its stream length. Speed of stream is measured at 1 to 4.5m/s and higher.
Mountain rivers have significant hydro energy producing potential and in arid conditions often used for irrigation.
Rapids are sections of a river where the river bed has a relatively steep gradient, causing an increase in water velocity and turbulence. Flow, gradient, constriction, and obstacles are four factors that are needed for a rapid to be created.
Mecosta County is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 39,714. The county seat is Big Rapids.
The Metabetchouan River is a tributary of Lac Saint-Jean in the centre of the province of Quebec, Canada. The course of this river successively crosses the regional county municipalitys (MRC) of:
The Bruneau River is a 153-mile-long (246 km) tributary of the Snake River, in the U.S. states of Idaho and Nevada. It runs through a narrow canyon cut into ancient lava flows in southwestern Idaho. The Bruneau Canyon, which is up to 1,200 feet (370 m) deep and 40 miles (64 km) long, features rapids and hot springs, making it a popular whitewater trip.
The Dnieper, also called Dnipro, is one of the major transboundary rivers of Europe, rising in the Valdai Hills near Smolensk, Russia, before flowing through Belarus and Ukraine to the Black Sea. It is the longest river of Ukraine and Belarus and the fourth-longest river in Europe, after the Volga, Danube, and Ural rivers. It is approximately 2,200 km (1,400 mi) long, with a drainage basin of 504,000 square kilometres (195,000 sq mi).
The Mahanadi River is a major river in East Central India. It drains an area of around 132,100 square kilometres (51,000 sq mi) and has a total length of 900 kilometres (560 mi). Mahanadi is also known for the Hirakud Dam which was the first major multipurpose river valley project after India's independence in 1947. The river flows through the states of Chhattisgarh and Odisha and before finally ending in the Bay of Bengal.
The Chattooga River is the main tributary of the Tugaloo River.
The Savage River is a 29.5-mile-long (47.5 km) river in Garrett County, Maryland, and is the first major tributary of the North Branch Potomac River from its source. The river was named for 18th century surveyor John Savage.
The Bighorn National Forest is a U.S. National Forest located in northern Wyoming, United States and consists of over 1.1 million acres (4,500 km2). Created as a US Forest Reserve in 1897, it is one of the oldest government-protected forest lands in the U.S. The forest is well east of the continental divide and extends from the Montana border for a distance of 80 miles (130 km) along the spine of the Bighorn Mountains, an outlying mountain range separated from the rest of the Rocky Mountains by Bighorn Basin. Elevations range from 5,000 feet (1,500 m) along the sagebrush and grass-covered lowlands at the foot of the mountains, to 13,189 feet (4,020 m) on top of Cloud Peak, the highest point in the Bighorn Mountains. Around 99% of the land is above 1,500 metres (4,900 ft). The forest is named after the Bighorn River, which is partially fed by streams found in the forest. Streams in the range are fed primarily by snowmelt and snowmelt mixed with driving rainfall.
The Blackwater River is a 34.3-mile-long (55.2 km) river in the Allegheny Mountains of eastern West Virginia, USA. Via the Black Fork, it is a principal tributary of the Cheat River. Via the Cheat, the Monongahela and the Ohio rivers, it is part of the watershed of the Mississippi River and drains an area of 142 square miles (370 km2). It is a true blackwater stream, owing to spruce and hemlock trees in its watershed, the tannins of which impart a tea or amber color to its water.
Ste-Anne-du-Nord River is a tributary of the northwest shore of the Saint Lawrence River where it flows at the height of Beaupré. This river flows in Capitale-Nationale, in the province of Quebec, Canada. The river passes through Canyon Sainte-Anne before joining the Saint Lawrence River at Beaupré.
Glady Fork is a 31.9-mile-long (51.3 km) river in the Allegheny Mountains of eastern West Virginia, USA. It is considered one of the five principal headwaters tributaries of the Cheat River — known as the Forks of Cheat.
The Middle Fork River is a 35.4-mile-long (57.0 km) tributary of the Tygart Valley River in north-central West Virginia, USA. Via the Tygart Valley, Monongahela and Ohio rivers, it is part of the watershed of the Mississippi River, draining an area of 152 square miles (390 km2) on the easternmost part of the unglaciated portion of the Allegheny Plateau. According to the Geographic Names Information System, the Middle Fork River has also been known simply as "Middle Fork" and as "Middlefork."
The geography of New York (state) varies widely. Most of New York is dominated by farms, forests, rivers, mountains, and lakes. New York's Adirondack Park is larger than any U.S. National Park in the contiguous United States. Niagara Falls, on the Niagara River as it flows from Lake Erie to Lake Ontario, is a popular attraction. The Hudson River begins near Lake Tear of the Clouds and flows south through the eastern part of the state without draining lakes George or Champlain. Lake George empties at its north end into Lake Champlain, whose northern end extends into Canada, where it drains into the Richelieu River and then the St. Lawrence. Four of New York City's five boroughs are on the three islands at the mouth of the Hudson River: Manhattan Island, Staten Island, and Brooklyn and Queens on Long Island.
The Grand Ditch, also known as the Grand River Ditch and originally known as the North Grand River Ditch, is a water diversion project in the Never Summer Mountains, in northern Colorado in the United States. It is 14.3 miles (23.0 km) long, 20 feet (6.1 m) wide, and 3 feet (0.91 m) deep on average. Streams and creeks that flow from the highest peaks of the Never Summer Mountains are diverted into the ditch, which flows over the Continental Divide at La Poudre Pass at 10,175 feet (3,101 m), delivering the water into Long Draw Reservoir and the Cache La Poudre River for eastern plains farmers. The water would otherwise have gone into the Colorado River that flows west towards the Pacific; instead, the Cache La Poudre River goes East and through the Mississippi River discharges into the Gulf of Mexico.
The Snigole River is a tributary of the north shore of the Malbaie River flowing generally to the south, especially in the zec du Lac-au-Sable in the unorganized territory of Mont-Élie, then in the territory of Clermont at the end of the route, in the Charlevoix-Est Regional County Municipality, in Quebec, Canada.
The Cami river is a tributary of the Saint-Jean River, flowing in the municipality of Lalemant, Hébertville-Station and Rivière-Éternité, in the Fjord-du-Saguenay, in the administrative region of Saguenay-Lac-Saint-Jean, in the province of Quebec, in Canada. The course of the Cami river crosses the zec du Lac-au-Sable.
The rivière à la Catin is a tributary of the Cami River, flowing in the municipality of L'Anse-Saint-Jean and Rivière-Éternité, in the Fjord-du-Saguenay, in the administrative region of Saguenay–Lac-Saint-Jean, in the province from Quebec, to Canada. The course of the Catin river crosses the zec du Lac-Brébeuf.
The Rivière Rouge is a tributary of the rivière au Saumon. This river flows in the municipalities of Milan and Lingwick (MRC) Le Haut-Saint-François Regional County Municipality), in the administrative region of Estrie, in the province of Quebec, in Canada.
The Opir River is located in Ukraine, within Stryi Raion of Lviv Oblast. It is a right tributary of the river Stryi.
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