Holderen 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,...

 on the border between Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 and 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 Norwegian part (1.83 square kilometre (0.706566950224339 sq mi)) is located inside Blåfjella–Skjækerfjella National Park in the municipality of Snåsa

Snåsa

Snåsa is a municipality in Nord-Trøndelag county, Norway. It is part of the Innherred region. The administrative centre of the municipality is the village of Snåsa. Other villages include Agle and Jørstad....

 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 and the Swedish part (6.44 square kilometres (2.5 sq mi)) is located in the municipality of Åre

Åre Municipality

Åre Municipality is a municipality in Jämtland County in northern Sweden. Its seat is located in Järpen.The present municipality was formed in 1974 through the amalgamation of "old" Åre Municipality with the surrounding municipalities Hallen, Kall, Mörsil and Undersåker...

 in Jämtland County

Jämtland County

Jämtland County is a county or län in the middle of Sweden consisting of the provinces of Jämtland and Härjedalen, along with minor parts of Hälsingland and Ångermanland, plus two tiny uninhabited strips of Lapland and Dalarna. Jämtland County constitutes 12 percent of Sweden's total area, and is...

. The lake lies about 3 kilometres (1.9 mi) south of the lake Grøningen

Grøningen

Grøningen is a lake in the municipality of Snåsa in Nord-Trøndelag county, Norway. The lake lies in the southeastern part of the municipality, just outside of Blåfjella–Skjækerfjella National Park, about north of the lake Holderen....

.