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13-636: The territory of the province is mountainous and it includes Lake Junin which is the largest lake entirely on Peruvian territory, and the second-largest lake in the country after Lake Titicaca . Some of the most important rivers are the Mantaro and the Ullkumayu (Ulcomayo) . The province borders the Tarma Province on the southeast, Yauli Province on the southwest, and the Pasco Region provinces of Pasco on

26-680: A much larger area, its eastern half is located on Bolivian territory. Lake Junin is an important birdwatching destination in the country. Lake Junin is located in the Andean highlands of central Peru. Most of the lake is in the Junin Province of the Junin Region , but its northwestern tip belongs to the Pasco Province of the Pasco Region . The surface elevation of the lake is located at 4,082.7 m (13,395 ft) above sea level. The lake

39-538: Is a stub . You can help Misplaced Pages by expanding it . Lake Junin Lake Junin ( IPA: [xuˈnin] ; Spanish Lago Junín , named after the nearby town of Junin ) or Chinchaycocha (possibly from Quechua chincha, chinchay north, northern, chinchay ocelot , qucha lake, lagoon, "northern lake" or "ocelot lake") is the largest lake entirely within Peruvian territory. Even though Lake Titicaca has

52-572: Is on the upper reaches of the Mantaro River within the Amazon basin . There is a hydroelectric power station which regulates the water level of the lake at the outflow of the lake, through the Upamayo Dam . In years of abundant rains, fluctuations in the water level are moderate, but in years of drought water level may drop 1.5–2 m (4.9–6.6 ft) leaving extensive areas exposed. The deepest part of

65-425: Is surrounded by emergent vegetation , which in some places can reach 6 km (3.7 mi) wide and become so dense that it is impenetrable. The fish fauna is abundant but consists of few species, including introduced species . The introduced trout have been implicated in the decline of the endemic frogs. Telmatobius Batrachophrynus Peters, 1873 Telmatobius is a genus of frogs native to

78-460: The Andean highlands at altitudes between 1,000 and 5,200 m (3,300–17,100 ft). The genus includes two of the world's largest fully aquatic frogs, the Lake Junin frog ( T. macrostomus ) and Titicaca water frog ( T. culeus ), but the remaining are considerably smaller. In terms of tadpoles, the species with the largest tadpoles tend to be in higher elevated streams and lakes. This includes

91-571: The Andean highlands in South America, where they are found in Ecuador, Peru, Bolivia, northwestern Argentina and northern Chile. It is the only genus in the family Telmatobiidae . Some sources recognize Batrachophrynus as a valid genus distinct from Telmatobius . All Telmatobius species are closely associated with water and most species are semi-aquatic, while a few are entirely aquatic . They are found in and near lakes, rivers and wetlands in

104-506: The fifteen species in Bolivia have not been seen for years. However, some might still be rediscovered: the Bolivian T. yuracare had not been seen in the wild in a decade and there was only a single captive male. A few wild individuals were located in 2019, thus ending the captive male's informal status as an endling (last survivor of the species). There are currently 63 species recognized in

117-558: The genus Telmatobius are restricted to the vicinity of the lake, although only one of these, the entirely aquatic Lake Junin frog ( T. macrostomus ), is found in the lake itself, whereas the Amable Maria frog ( T. brachydactylus ) is found nearby. Three Orestias pupfish, O. empyraeus , O. gymnota and O. polonorum , and the catfish Trichomycterus oroyae are endemic to the lake basin and its vicinity (including associated streams, rivers and smaller lakes). Lake Junin

130-536: The lake, which is located about 10 kilometres (6.2 mi) off Huayre, is 12 m (39 ft) deep. The headwaters of streams flowing into Lake Junin have been named as the "most distant" source of the Amazon River , one of the three places proposed as the "true" source of the Amazon. Since 1933 there has been an inflow of mining residues into the lake, which has adversely affected the fish and bird fauna in parts of

143-568: The lake. Sewage coming from the towns of Junin and Carhuamayo also pollutes the lake. These types of pollution are contributing to the natural eutrophication process of this wetland. Lake Junin is home to three endemic birds that all are seriously threatened: the Junin rail ( Laterallus (jamaicensis) tuerosi ), the Junin grebe ( Podiceps taczanowskii ) and the Junin white-tufted grebe ( Rollandia rolland morrisoni ). Two endangered species of frogs in

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156-548: The north and northwest, and Oxapampa on the northeast. The Junín Province is divided into four districts ( Spanish : distritos , singular: distrito ), each of which is headed by a mayor ( alcalde ): The Junín Province is subdivided in four districts: Flooding caused by heavy rains has often caused river to overflow, triggering floods. Recent floods include those in 2019 and 2021. 11°09′S 75°59′W  /  11.150°S 75.983°W  / -11.150; -75.983 This Junín Region geography article

169-517: The species T. culeus , T. macrostomus , T. mayoloi , and T. gigas . Telmatobius contains more than 60 species; the vast majority seriously threatened , especially from habitat loss , pollution, diseases ( chytridiomycosis and nematode infections ), introduced trout , and capture for human consumption. The three Ecuadorian species have not been seen for years and may already be extinct: T. cirrhacelis last seen in 1981, T. niger in 1994 and T. vellardi in 1987. Similarly, seven of

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