Kolsvatnet is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the municipality of Valle in Aust-Agder

Aust-Agder

is a county in Norway, bordering Telemark, Rogaland, and Vest-Agder. In 2002, there were 102,945 inhabitants, which is 2.2% of the total population in Norway. Its area is . The administrative center of the county is in Arendal....

 county, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. It is located about 14 kilometres (8.7 mi) southwest of the village of Valle. The lake is located south of the lake Botnsvatnet

Botnsvatnet

Botnsvatnet or Botsvatnet is a lake in the municipality of Valle in Aust-Agder county, Norway. The lake is located just north of the lakes Rosskreppfjorden and Kolsvatnet and also to the north of the mountain Urddalsknuten. The village of Valle is located to the east of the lake. The lake has...

, east of the mountain Urddalsknuten

Urddalsknuten

Urddalsknuten or Urdalsknuten is a mountain that lies on the border of the municipalities Sirdal in Vest-Agder county and Valle in Aust-Agder county, Norway. The mountain is located in the Setesdalsheiene mountain range, and at , it is the highest mountain in Vest-Agder county...

, and northeast of the lake Rosskreppfjorden

Rosskreppfjorden

Rosskreppfjorden is a lake on the border between the municipalities of Valle and Sirdal , Norway. The lake is part of the Kvina river system and has a hydroelectric power plant in a dam on the south end of the lake. The lake has an area of and sits at an elevation of about above sea level.The...

. The lake has an area of 2.72 square kilometres (1.1 sq mi) and sits at an elevation of 1034 metres (3,392.4 ft) above sea level.