This article relies largely or entirely on a single source . (March 2015)
|Max. length||58 km (36 mi)|
|Max. width||18 km (11 mi)|
|Surface area||483 km2 (186 sq mi)|
|Average depth||6.2 m (20 ft)|
|Max. depth||20 m (66 ft)|
|Water volume||3 km3 (2,400,000 acre⋅ft)|
Hjälmaren (Swedish pronunciation: [ˈjɛ̂lːmarɛn] or [ˈjɛ̂lːmaɳ] ), also spelled Jälmaren, is Sweden's fourth largest lake. It is situated in the Central Swedish lowland and drains through Eskilstunaån into the adjacent Lake Mälaren, which in turn drains into the Baltic Sea, west of Stockholm. It is connected by waterway with Stockholm by the 13 kilometres long Hjälmare kanal.
It is bounded by the provinces of Södermanland, Närke, and Västmanland.
Hjälmaren is 63 kilometres long, about 20 kilometres wide, and has an average depth of 6 metres, and a surface of 483 km². The town of Örebro is situated at the western end of the lake. The lake, however, has become an iconic part of Sweden with music festivals taking place on the banks of the lake.[ citation needed ] Such notable bands to play there are The Smashing Pumpkins, Sonic Youth and Pearl Jam.
1878 until 1887 the project Hjälmarsänkningen lowered the surface level of Hjälmaren 1.3m to free up land for agriculture and to reduce the risk of flooding.
The rebel Engelbrekt Engelbrektsson, was assassinated in 1436 at Engelbrektsholmen, an islet in Lake Hjälmaren.
The Göta älv is a river that drains lake Vänern into the Kattegat, at the city of Gothenburg, on the western coast of Sweden. It was formed at the end of the last glaciation, as an outflow channel from the Baltic Ice Lake to the Atlantic Ocean and nowadays it has the largest drainage basin in Scandinavia.
Mälaren, historically referred to as Lake Malar in English, is the third-largest freshwater lake in Sweden. Its area is 1,140 km2 and its greatest depth is 64 m. Mälaren spans 120 kilometers from east to west. The lake drains, from south-west to north-east, into the Baltic Sea through its natural outlets Norrström and Söderström and through the artificial Södertälje Canal and Hammarbyleden waterway. The easternmost bay of Mälaren, in central Stockholm, is called Riddarfjärden. The lake is located in Svealand and bounded by the provinces of Uppland, Södermanland, Närke, and Västmanland. The two largest islands in Mälaren are Selaön (91 km2) and Svartsjölandet (79 km2).
Södermanland, locally Sörmland, sometimes referred to under its Latin form Sudermannia or Sudermania, is a historical province or landskap on the south eastern coast of Sweden. It borders Östergötland, Närke, Västmanland and Uppland. It is also bounded by lake Mälaren and the Baltic Sea.
The City of Stockholm is situated on fourteen islands and on the banks to the archipelago where Lake Mälaren meets the Baltic Sea. The city centre is virtually situated on the water.
Engelbrekt Engelbrektsson was a Swedish nationalist rebel leader and statesman. He was the leader of the Engelbrekt rebellion in 1434 against Eric of Pomerania, king of the Kalmar Union.
Nyköping is a locality and the seat of Nyköping Municipality, Södermanland County, Sweden with 32,759 inhabitants as of 2017. The city is also the capital of Södermanland County. Including Arnö, the locality on the southern shore of the bay just a couple of kilometres from the city centre, Nyköping would have 33,762 inhabitants according to the same SCB source. Commonly, Arnö is referred to as a part of the city proper. It forms a wider conurbation with the neighbouring minor municipality and town of Oxelösund 10 kilometres (6.2 mi) south of its outskirts.
Eskilstuna is a city and the seat of Eskilstuna Municipality, Södermanland County, Sweden. The city of Eskilstuna had 67,359 inhabitants in 2015, with a total municipal population of 100,092 inhabitants in Eskilstuna municipality (2014). Eskilstuna has a large Sweden Finn population. The town is located on the River Eskilstunaån, which connects Lake Hjälmaren and Lake Mälaren.
Kristinehamn is a locality and the seat of Kristinehamn Municipality, Värmland County, Sweden, with 17,839 inhabitants in 2010.
Södertälje is a city and the seat of Södertälje Municipality, Stockholm County, Sweden. As of 2016, it has a population of 71,774 inhabitants.
Hjälmaren Canal is a 13 kilometres long canal that connects Lake Hjälmaren with Lake Mälaren in Sweden.
The Mälaren Valley, occasionally referred to as Stockholm-Mälaren Region (Stockholm-mälarregionen), is the easternmost part of Svealand, the catchment area of Lake Mälaren and the surrounding municipalities. The term is often used interchangeably for the extended capital region of Sweden as Stockholm is located at the lake's eastern end, at its outlet in the Baltic Sea.
Eskilstunaån is a small river in Sweden, length 32 km, running through the city of Eskilstuna and the town of Torshälla in Södermanland County. The river drains Lake Hjälmaren into Lake Mälaren. It is by local custom alternatively referred to as Torshällaån in its lower course from Torshälla to Lake Mälaren.
Red Deer Lake is a fresh water alkaline lake situated near Bashaw in central Alberta, Canada.
Laduviken is a lake in Norra Djurgården, a semi-rural area in north-eastern Stockholm, Sweden, forming part of the Royal National City Park. It is one of six lakes in Djurgården, the others being: Lillsjön, Uggleviken, Isbladskärret, Lappkärret, and Spegeldammen.
Långsjön is a lake in southern Stockholm, Sweden. The lake is situated in an old residential neighbourhood located between the municipalities of Stockholm and Huddinge and most of the shoreline is private property. Water level is controlled by a sluice in the north-western end of the lake where the lake empties into Lake Mälaren through a system of dikes and culverts. Polluted waste water was poured directly into the lake during the early 20th century which caused up to two third of the lake to be choked-up until the 1940s. It was subsequently one of the first lakes in Stockholm to be subject for various attempts to restorations. The northern shores are waterlogged whilst the bedrock surfaces along the southern. The lake has no major feeders, the inflow instead coming from local stormwater and surface runoff.
Sätraån is a stream in southern Stockholm, Sweden.
Rostojávri (Northern Sami), Råstojaure (Swedish), or Store Rostavatn (Norwegian) is a lake on the border between Norway and Sweden. The Norwegian side of the lake is located in Målselv Municipality in Troms og Finnmark county and the Swedish side of the lake is located in Kiruna Municipality in Norrbotten County. The Norwegian part of the lake lies inside Øvre Dividal National Park. The lake lies at an elevation of 680 metres (2,230 ft) and covers a total area of 34.24 square kilometres (13.22 sq mi); with 3.67 square kilometres (1.42 sq mi) located in Norway and the remaining 30.57 square kilometres (11.80 sq mi) are located in Sweden.
Stockholm Skavsta Airport, or Nyköping Airport is an international airport near Nyköping, Sweden, 5 kilometres (3.1 mi) northwest of its urban area and approximately 100 kilometres (62 mi) southwest of Stockholm. It is served by low-cost airlines and cargo operators, and is the fifth-largest airport in Sweden, with an ability to handle 2.5 million passengers annually.
Galten is a fjard of Lake Mälaren, the third-largest lake in Sweden. It is the westernmost part of the lake, and is connected to the fjard of Blacken in the east through the strait of Kvicksund.
Svartån is a river in Örebro County, Sweden, approximately 100 kilometers long with a drainage basin area of 1410 km². The river has its source at lake Ölen in Degerfors Municipality and flows south through the lakes Storbjörken and Lillbjörken and the mill town of Svartå. At lake Toften it joins with several streams from the south, flowing through Hasselfors to lake Teen, joining with Stavån. From Teen the river flows northeast over the Närke plain to the city of Örebro, passing Örebro Canal on its way east. East of Örebro the river passes through Skebäck and Oset, joining with Lillån before ending in Lake Hjälmaren.
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