The Ruvyironza (or Luvironza) River ( French : rivière Ruvyironza ) is a river in Burundi, the main tributary of the Ruvubu River . Its headwaters are the most remote source of the Nile when measured by river length from the Nile's mouth.
15-540: The Ruvyironza rises in the east of Bururi Province to the west of Mount Kikizi (2,145 metres (7,037 ft)). It forms near Kiryama and the RIG6 / RP83 junction, where its tributaries the Nyabuyugi and Kibazwa come together. It flows northwest to the border with Gitega Province . It follows part of the border between these two provinces, then flows through Gitega Province to the border with Mwaro Province , and follows
30-619: Is Bururi . Bururi Province is home to the Bururi Forest Nature Reserve , a remnant Afromontane tropical forest. The Ruvyironza River , which rises in Bururi Province, is the southernmost source of the Nile . Bururi is famous for the number of military and political leaders to have been born there, including three consecutive presidents ( Michel Micombero , Jean-Baptiste Bagaza and Pierre Buyoya ) following
45-675: Is in the Imbo natural region . Further inland it covers part of the Mumirwa natural region , Mugamba natural region and Bututsi natural region . Bururi Province was created on 26 September 1960 as part of national political and administrative reforms initiated by the Belgian colonial administration in Ruanda-Urundi . Burundi became independent in 1962 and the province was retained in the new national constitution. The provincial capital
60-490: Is one of the eighteen provinces of Burundi . It was formerly Burundi's largest province until the communes of Burambi , Buyengero and Rumonge were transferred to the province of Rumonge when it was created in 2015. Bururi Province is in the southeast of Burundi. It looks over Lake Tanganyika to the west. It is south of Bujumbura Rural Province and Mwaro Province , west of Gitega Province and Rutana Province , and north of Makamba Province . The west coastal strip
75-767: The Commune of Nyabihanga , Mwaro Province. The bridge linking the Commune of Nyabihanga to the Commune of Gitega was at risk of collapse. The Ruvyironza power station is in Gitega Province, northeast of the city of Gitega , facing Karuzi Province over the Ruvubu River . It is fed by a canal running south from a dam on the Ruvyironza River near its mouth on the Ruvubu River. It discharges into
90-729: The Mwaro-Gitega border north before turning east and again crossing Gitega Province to its mouth on the Ruvubu River . Most of the rivers in the Nile Basin portion of Burundi flow into the Ruvubu or its main tributary, the Ruvyironza. The Luvironza River is the source of the Nile in the sense that it is in the Nile basin, and the distance by river from its headwater to the mouth of the Nile is 6,671 kilometres (4,145 mi), longer than
105-492: The Ruvubu River. The Ruvyironza plant, owned by REGIDESO Burundi , was commissioned in 1980/1984. Power is supplied by three 425 KW turbines, delivering 1275 KW when all three are running, or 850 KW when just two are operational. A 2012 report by the Ministry for Energy and Mines stated that potential developments on the Ruvyironza (Luvi 047, 039, 012) might be able to deliver 21.2MW. Bururi Province Bururi Province
120-442: The Ruvyironza has a 728 square kilometres (281 sq mi) drainage basin, with average flow of 10 cubic metres per second (350 cu ft/s). Annual preciptiation is 1,209 millimetres (47.6 in) and average temperature is 17.8 °C (64.0 °F). The laws regarding the public hydraulic zones are not respected in any of the Ruvubu watersheds, but particluarly along the Ruvyironza. This results in frequent landslides of
135-458: The area is 20 °C (68 °F). The warmest month is September, when the average temperature is 23 °C (73 °F), and the coldest is April, with 18 °C (64 °F). Average annual rainfall is 1,137 millimetres (44.8 in). The wettest month is December, with an average of 199 millimetres (7.8 in) of precipitation, and the driest is July, with 1 millimetre (0.039 in) of precipitation. At Nyabiraba in central Gitega Province
150-432: The country's independence. It is divided administratively into the following communes: 3°53′49″S 29°34′40″E / 3.89694°S 29.57778°E / -3.89694; 29.57778 This Burundi location article is a stub . You can help Misplaced Pages by expanding it . Provinces of Burundi Burundi is divided into eighteen provinces , each named after their respective capital with
165-682: The distance from any other headwater. It is a tributary of the Ruvubu River , a tributary of the Kagera River , which flows in Lake Victoria . From there, the river takes different names as it flows north: the Victoria Nile , Albert Nile , Bahr al Jabal , White Nile and north of Khartoum the Nile . The surroundings of the upper Ruvyironza are mainly savannah. The area is quite densely populated, with 239 inhabitants per square kilometer as of 2016. The average annual temperature in
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#1732765967801180-647: The exception of Bujumbura Rural. The Belgian colonial administration created provinces in Burundi on September 26, 1960, to replace chiefdoms as part of a series of administrative reforms. There were 18: Bubanza, Bukirasazi, Bururi, Cankuzo, Cibitoke, Karuzi, Kayanza, Kitega, Kirundo, Makamba, Muhinga, Muramvya, Mwaro, Mwisale, Ngozi, Ruyigi, Rutana, and Usumbura. The 1962 constitution of the Kingdom of Burundi provided for eight provinces: Bubanza, Bukirasazi, Bururi, Gitega, Muramvya, Muyinga, Ngozi, and Ruyigi. In 2000,
195-413: The province encompassing Bujumbura was separated into two provinces, Bujumbura Rural and Bujumbura Mairie. The newest province, Rumonge , was created on 26 March 2015 from portions of Bujumbura Rural and Bururi. In July 2022, the government of Burundi announced a complete overhaul of the country's territorial subdivisions. The proposed change would reduce the amounts of provinces from 18 to 5, and reduce
210-403: The river is not very fertile, and the farmers must use fertilizer. In December 2015 torrential rains in the Commune of Mutaho , Gitega Province, devastated fields in the marshes of the Ruvubu and Ruvyironza rivers. Crops of beans, corn and sweet potatoes that had already been planted were lost. In April 2024 extensive flooding in the Ruvyironza River valley destroyed several hectares of crops in
225-543: The unprotected river banks. The Ruvyironza basin contains 8,425 hectares (20,820 acres) of marshes, of which 7,310 hectares (18,100 acres), or 87%, were exploited for agriculture by 1998. The Ruvyironza flows along the eastern boundary of the Commune of Gishubi in Gitega, separting it from the Commune of Makebuko . The Kanyangwa River flows through Gishubi to join it from the west (left). The marshes of these two rivers are used for farming year round. The soil in this section of
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