Lake Tana, source of the Blue Nile. On the island of Tana Qirqos is a rock shown to Paul B. Henze, on which he was told the Virgin Mary had rested on her journey back from Egypt; he was also told that Frumentius, who introduced Christianity to Ethiopia, is "allegedly buried on Tana Cherqos. Other important islands in Lake Tana include Dek, Mitraha, Gelila Zakarias, Halimun and Briguida. A ferry service links Bahir Dar with Gorgora via Dek Island and various lakeshore villages. They chronicled their adventure with an IMAX camera and two handheld video cams, sharing their story in the film Mystery of the Nile and in a book of the same title. Emperors whose tombs are also on Daga include Dawit I, Zara Yaqob, Za Dengel, and Fasilides. Located in Amhara Region in the north-western Ethiopian Highlands, the lake is approximately 84 kilometres (52 miles) long and 66 kilometres (41 miles) wide, with a maximum depth of 15 metres (49 feet), and an elevation of 1,788 metres (5,866 feet). Blue Nile River. The piscivorous Labeobarbus of Lake Tana are relatively inefficient predators that only can take fish up to about 15% of the length of the predator itself.  This includes one of only two known cyprinid species flocks (the other, from Lake Lanao in the Philippines, has been decimated by introduced species). Cheesman, who records his surprise on arriving in Ethiopia at finding that the upper waters of "one of the most famous of the rivers of the world, and one whose name was well known to the ancients" was in his lifetime "marked on the map by dotted lines", managed to map the upper course of the Blue Nile between 1925 and 1933. The distance of the river from its source to its confluence has been variously reported as being between 1,460 kilometres (910 mi) and 1,600 kilometres (990 mi). The river flows generally south before entering a canyon about 400 km (250 mi) long, about 30 km (19 mi) from Lake Tana, which is a tremendous obstacle for travel and communication between north and south Ethiopia. Although there are several feeder streams that flow into Lake Tana, the sacred source of the river is generally considered to be a small spring at Gish Abay, situated at an elevation of approximately 2,744 m (9,003 ft), known as the Gilgel Abay (Lesser Abay River). There is also Zege Peninsula on the southwest portion of the lake. Between Lake Tana and the Sudanese border, it is fed by numerous tributaries. They recount that they paddled through civil war conflict zones, regions known for bandits, and encountered multiple hazards and rapids. His efforts to loosen the government’s grip on politics also emboldened regional power brokers and inflamed smouldering rivalries over resources, ethnicity and … Tana (tä`nä), river, c.500 mi (800 km) long, rising near Mt. Eight million people live along the river, where tea, coffee, maize and other cash crops are grown for export, and cattle grazing and fishing provide major sources of food for large parts of the country’s population. Source: plantas.facilisimo.com. In 2015, the Lake Tana region was nominated as a UNESCO Biosphere Reserve recognizing its national and international natural and cultural importance. Despite the importance of the River Nile from antiquity to present-day practices and beliefs in Ethiopian Orthodox Christianity, very little research has been conducted on the cultural and religious aspects of the Blue Nile in general and its source, Gish Abay, and Lake Tana in Ethiopia in particular.  In 2000, American and National Geographic reader, Kenneth Frantz, saw a photo taken by Nevada Wier for National Geographic which would lead him to found the charity Bridges to Prosperity.  It is an important resting and feeding ground for many Palearctic migrant waterbirds. , Lake Tana has a number of islands, whose number varies depending on the level of the lake. This historic bridge was built by Emperor Fasilides in approximately 1660 with Roman bridge technology brought to Ethiopia by Portuguese soldiers during the battle with the Muslim invaders in 1507. Location: The Tana Forum takes place in Bahir Dar, Ethiopia – a relaxing town located on the shores of Lake Tana, the source of the Blue Nile River. Today, the river continues to serve as a source of irrigation, as well as an important transportation and trade route. The source of the river Nile remains a matter of debate. - Therefore, it was known as the Seven Forks Project. It reputedly rises as the Abāy from a spring 6,000 feet (1,800 metres) above sea level, near Lake Tana in northwestern Ethiopia. Learn more about the Blue Nile. One of the basin’s impor-tant ecosystems is the Tana Delta at the coast: almost 50% of the country’s freshwater discharge into the Indian Ocean is made up of the ﬂow from the Tana River.  Among these, L. acutirostris, L. longissimus, L. megastoma and L. truttiformis are strictly piscivorous, and L. dainellii, L. gorguari, L. macrophtalmus and L. platydorsus are mostly piscivorous. Within 30 kilometres (19 mi) of its source at Lake Tana, the river enters a canyon about 400 kilometres (250 mi) long. - Seven different dams were to be constructed at different locations along the river.  Their most important prey are the small Enteromius and Garra species. The Blue Nile (Amharic: ጥቁር አባይ, romanized: T’ik’uri Ābayi; Arabic: النيل الأزرق, romanized: an-Nīl al-ʾAzraqu), also known as the Abay River (Amharic: አባይ ወንዝ) in Ethiopia, is a river originating at Lake Tana in Ethiopia. Its surface area ranges from 3,000 to 3,500 square kilometres (1,200 to 1,400 square miles), depending on season and rainfall. It may be a lake, a marsh, a spring or a glacier.This is where the stream starts. The slopes of Tana are in the near-right. + occurs on a regular basis, (+) occurs occasionally. The remaining non-endemic species are Nile tilapia (widespread in Africa, but with the endemic subspecies tana in the lake), E. humilis, G. dembecha, G. dembeensis and the large African sharptooth catfish. The Blue Nile is vital to the livelihood of Egypt: as the most significant tributary of the Nile, it contributes over 85% of the Nile's streamflow. Image interval is currently 5 minutes. Lake Tana: Source of the Blue Nile. This photo showed a bridge broken during World War II, with 10 men on either side of the broken span pulling each other across the dangerous gap by rope. " A 20th-century geographer named 37 islands, of which he believed 19 have or had monasteries or churches on them.. ESA / Applications / Observing the Earth. The Kagera River and its tributary the Ruvubu, having its headwaters in Burundi, is now accepted as the true source of the River Nile. Agriculture and livestock production are the main sources of livelihood in Tana River. Blue Nile River, headstream of the Nile River and source of almost 70 percent of its floodwater at Khartoum. - Up to date, only five have been completed. There are hydroelectric plants and irrigation projects in the Tana basin.Tana (tä`nä) or Tsana (tsä`nä), largest lake of Ethiopia, c.1,400 sq mi (3,630 sq km), S of Gondar. Tana River County is a county in the former Coast Province, Kenya.It is named after the Tana River.It has an area of 38,437 square kilometres (14,841 sq mi) and a population of 315,943. , On 29 January 2005, Canadian Les Jickling and his teammate New Zealander Mark Tanner completed the first fully human-powered transit of the entire Blue Nile and Nile in the Sudan and Egypt. Those on the right side, also in downstream order, include the Handassa, Tul, Abbaya, Sade, Tammi, Cha, Shita, Suha, Muga, Gulla, Temcha, Bachat, Katlan, Jiba, Chamoga, Weter and the Beles.. The river is inadequately protected against these threats and conservation is done on a small scale such as in the Tana River Primate Reserve. The river was a major source of the flooding of the Nile in Egypt that contributed to the fertility of the Nile Valley and the consequent rise of Ancient Egypt and Egyptian mythology. 16. Along with the White Nile, it is one of the two major tributaries of the Nile, and supplies about 80% of the water in the Nile during the rainy season. This gorge is a tremendous obstacle for travel and communication from the north half of Ethiopia to the southern half. READ MORE. What is the historical significance of the Nile River? Learn more about the White Nile.  In both 2001 and 2009, Bridges to Prosperity volunteers travelled from the United States to repair the broken bridge across the Blue Nile and later built a new suspension bridge not susceptible to flood. The Authority was established by an Act of Parliament CAP 443. The Nile River flows over 6,600 kilometers (4,100 miles) until emptying into the Mediterranean Sea. The water has a pH that is neutral to somewhat alkaline and its transparency is quite low. " The body of Yekuno Amlak is interred in the monastery of St. Stephen on Daga Island. The Nile River was extremely important to settlement patterns in Egypt. This controls the flow to the Blue Nile Falls (Tis Abbai) and hydro-power station. Tana River County: Drought Early Warning Bulletin for November 2020 Format Situation Report Source. Other affluents of this lake include the Magech River, the Northern Gumara, the Reb River, the southern Gumara River, and the Kilte.. , Since there are no inflows that link the lake to other large waterways and the main outflow, the Blue Nile, is obstructed by the Blue Nile Falls, the lake supports a highly distinctive aquatic fauna, which generally is related to species from the Nile Basin. Those on its left bank, in downstream order, include the Wanqa River, the Bashilo River, the Walaqa River, the Wanchet River, the Jamma River, the Muger River, the Guder River, the Agwel River, the Nedi River, the Didessa River and the Dabus River.  The team used specially-built Avon Inflatables and modified Royal Engineers assault boats to navigate the formidable rapids. The powerplant has the capacity to generate 460 MW and hence plays a crucial role in the ambitious energy development plans of the government . The river loops across northwest Ethiopia. The Lake Tana basin covers about 15,000 km 2 between 10.95°N and 12.78°N and between 36.89°E and 38.25°E on the Ethiopian plateau ().The lake occupies a wide depression in the Ethiopian plateau, and with an area of about 3000 km 2, it is the largest lake in Ethiopia and the third largest lake in the Nile Basin.Lake Tana has a mean depth of 9 m and a maximum depth of 14 m (Kebede et al., 2006). Govt. Welcome to the Source of the Nile. Jenssen; Jenssen would proceed upriver from Khartoum while Macmillan sailed downstream from Lake Tana. In the 1950s and 1960s, several kayakers paddled parts of the canyon.  The vegetation in the lake's wetlands, which are an important nursery for the Labeobarbus and other fish, are being cleared at a fast pace. Figure 8:Tana River water sources . Among the endemic Labeobarbus, eight species spawn in the lake's wetlands and the remaining move seasonally into its tributaries where they spawn. There are hydroelectric plants and irrigation projects in the Tana basin.Tana (tä`nä) or Tsana (tsä`nä), largest lake of Ethiopia, c.1,400 sq mi (3,630 sq km), S of Gondar. It consists of 15 relatively large, up to 1 m (3 ft 3 in) long, Labeobarbus barbs that formerly were included in Barbus instead. Violence elsewhere. The Nile River empties into the Mediterranean Sea in northern Egypt. ), Pictures from Lake Tana and the Monasteries, https://en.wikipedia.org/w/index.php?title=Lake_Tana&oldid=996771297, Short description is different from Wikidata, Articles using infobox body of water without alt, Articles using infobox body of water without image bathymetry, Articles containing Amharic-language text, Wikipedia articles with WORLDCATID identifiers, Creative Commons Attribution-ShareAlike License, This page was last edited on 28 December 2020, at 14:55. Sudan and Egypt, however, voiced their concerns over a potential reduction in water available.. The historical distribution of salmon in the Tana river system. TARDA. , Because of the large seasonal variations in the inflow of its tributaries, rain and evaporation, the water levels of Lake Tana typically vary by 2–2.5 m (6.6–8.2 ft) in a year, peaking in September–October just after the main wet season. For district in Oromia Region, Ethiopia, see. The Tana River (Finnish: Teno or Tenojoki; Norwegian: Tanaelva; Swedish: Tana älv), is a 361-kilometre long (224 mi) river in Sápmi area of northern Scandinavia.The river flows through Finnmark county, Norway and the Lapland region of Finland.The Sámi name means "Great River". , Other serious threats are habitat destruction and pollution. The current distance is below the Long-term average of 7.1 km. Tana research & monitoring group, report 1-2014 4 Table 1. It travels for approximately 1,450 km (900 mi) through Ethiopia and Sudan.  Lake Tana is fed by the Gilgel Abay, Reb and Gumara rivers. Read more below: Physiography. On the second day, I set out further inland from Garsen about one hour’s drive to a small village called Sera Feji; a “vulnerability hotspot” for the impacts of flooding. Macmillan encouraged Jenssen to try to sail upstream from Khartoum again in 1905, but he was forced to stop 500 km (300 mi) short of Lake Tana. 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