The Kemijoki or Kemi River ( Swedish : Kemi älv , Northern Sami : Giemajohka ), with its 550 km (340 mi) length, is the longest river in Finland . It runs south through the towns of Kemijärvi and Rovaniemi before reaching the Gulf of Bothnia at Kemi .
1-703: At Rovaniemi the Ounasjoki river merges with the Kemijoki. The first hydroelectric plant on the Kemijoki was constructed in 1949 at Isohaara. A total of 15 power plants have been constructed so far. The plants are owned by Kemijoki Oy and Pohjolan Voima Oy . In 2003 the plants produced a total of 4.3 TWh, which was about 34.5% of Finland's total hydroelectric production. [REDACTED] Media related to Kemijoki at Wikimedia Commons 65°46′N 24°27′E / 65.77°N 24.45°E / 65.77; 24.45 This Lapland (Finland) location article
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