Botsvatn 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 Bykle

Bykle

Bykle is a municipality in Aust-Agder county, Norway. It is located in the traditional region of Setesdal. The administrative center is the village of Bykle in the southern part of the municipality. Another village nearby is Nordbygdi...

 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

Counties of Norway

Norway is divided into 19 administrative regions, called counties . The counties form the primary first-level subdivisions of Norway and are further divided into 430 municipalities...

, 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...

, just to the southeast of the major lake, Blåsjø

Blåsjø

Blåsjø is the tenth largest lake in Norway by area. It is located in the municipality of Bykle in Aust-Agder county and the municipalities of Hjelmeland and Suldal in Rogaland county. The lake is about west of the village of Bykle. It has a surface area of...

. It is a long, narrow lake that was created by building a dam

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 at the Holen hydroelectric

Hydroelectricity

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

 power plant on the eastern end of the lake. The village of Nordbygdi

Nordbygdi, Aust-Agder

Nordbygdi is a village in the municipality of Bykle in Aust-Agder county, Norway. It is located along the eastern shore of the lake, Botsvatn. The village is located about west of the village of Bykle and the river Otra, and about south of the lake Reinevatn....

is located on the north shore of the lake, and the village of Bykle is located about 2 kilometres (1.2 mi) to the east of the lake.