Havdalsvatnet 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 Lierne

Lierne

Lierne is a municipality in Nord-Trøndelag county, Norway. It is part of the Namdalen region, and it is the largest municipality in Trøndelag. The administrative centre of the municipality is the village of Sandvika. Other villages include Inderdal, Sørli, and Tunnsjø senter...

 in Nord-Trøndelag

Nord-Trøndelag

is a county constituting the northern part of Trøndelag in Norway. As of 2010, the county had 131,555 inhabitants, making it the country's fourth-least populated county. The largest municipalities are Stjørdal, Steinkjer—the county seat, Levanger, Namsos and Verdal, all with between 21,000 and...

 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...

. The 8.12 square kilometres (3.1 sq mi) lake lies in the northern part of the municipality, just south of the large lake Tunnsjøen

Tunnsjøen

Tunnsjøen is a lake in the municipalities of Røyrvik and Lierne in Nord-Trøndelag county, Norway. The lake lies just south of the large lake Limingen, and just west of the border with Sweden. It is above sea level and has a volume of . The deepest part of the lake is deep. It is the seventh...

. The village of Tunnjø senter lies about 14 kilometres (8.7 mi) east of the lake and Skorovatn

Skorovatn

Skorovatn is a village in the municipality of Namsskogan in Nord-Trøndelag county, Norway. The old Skorovas Gruber mine is here, but it closed in 1984. Skorovatn is located on the border of the municipality of Røyrvik, just south of the lake Tunnsjøflyan and the large lake Tunnsjøen. It is about...

 (in Namsskogan

Namsskogan

Namsskogan is a village and municipality in Nord-Trøndelag, Norway. Namsskogan is located in the upper part of the long Namdalen valley region. The administrative centre of the municipality is the village of Namsskogan...

) lies about 8 kilometres (5 mi) to the west.