The Glomma , or Glåma , is Norway 's longest and most voluminous river . With a total length of 621 kilometres (386 miles), it has a drainage basin that covers fully 13% of Norway's surface area, all in the southern part of the country.
6-458: Storofsen – also referred to as Ofsen – was a flood disaster that struck eastern Norway in July 1789 during which 63 people vanished, thousands of houses were destroyed and thousands of livestock killed. The rivers Glomma and Gudbrandsdalslågen flooded their banks and the waters of Lake Mjøsa rose ten meters above their normal level. The Kvikne Copper Works were significantly damaged by
12-729: A flood is a stub . You can help Misplaced Pages by expanding it . Glomma At its fullest length, the river runs from Aursund lake near Røros in Trøndelag and runs into the Oslofjord at Fredrikstad . Major tributaries include the Vorma River, which drains Lake Mjøsa , joining the Glomma River at Årnes in Nes . The Lågen drains into Lake Mjøsa, collecting drainage from the large Gudbrandsdalen and significantly increasing
18-678: The Glomma valley farms is variable, but typically runs about 500 metres (1,600 ft) in Østerdalen , slightly lower than in the Gudbrandsdalen, which reflects the colder climate. The treeline, with a light birch forest, rises to about 900 metres (3,000 ft) in Østerdalen. Above Røros the forest is restricted to the valley floor. The upper river valleys of Norwegian rivers have distinctive names which are vestiges of earlier cultural distinctions such as building styles, traditional clothing or bunad and domestic crafts. The upper valley of
24-573: The Glomma is the Østerdal (or East Valley). Upon entering Lake Øyeren at Fetsund , the Glomma has formed Europe's largest inland delta which reaches the opposite side of the lake, across its short axis. Some of the vast amount of silt that the Glomma deposits in Lake Øyeren is extracted to manufacture LECA building blocks widely used for in the construction of foundations in Norway. The form Glomma
30-479: The Glomma's flow. Because it flows through some of the richest forest districts, it has historically been Norway's leading log-floating river. The combination of raw materials, water power, and easy transport has over the centuries encouraged industry along the Glomma. Some of the country's largest manufacturing and processing concerns are found around its mouth, where supplies of timber and hydropower have been backed by excellent port facilities. The upper limit of
36-646: The flood, virtually ending the operation of the mine. A bailiff ( fogd ) in Senja and Tromsøe named Jens Holmboe organized settling in the Målselvdalen valley in what would later become Målselv Municipality and Bardu Municipality . Farmers from the Gudbrandsdalen and Østerdalen valleys who had been affected by the flood moved north between 1791 and 1800, with Holmboe helping about forty families with supplies and funding. This article about
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