Namsvatnet 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 Røyrvik

Røyrvik

Røyrvik is a village and municipality in Nord-Trøndelag county, Norway. It is part of the Namdalen region. The administrative centre of the municipality is the village of Røyrvik. The area has always had a strong Sami influence....

 in Nord-Trondelag 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 river Namsen

Namsen

Namsen is the biggest river in Nord-Trøndelag county, in the central part of Norway. The long river flows through the municipalities of Røyrvik, Namsskogan, Grong, Overhalla, and Namsos. It traditionally has been used for floating timber down from the forests to the town of Namsos, where the...

 formerly was the primary outlet, but the lake has been regulated for hydroelectric generation since 1959 and part of the water is diverted south towards a power station

Power station

A power station is an industrial facility for the generation of electric energy....

. The lake is fed by three main sources within Børgefjell National Park

Børgefjell National Park

Børgefjell National Park is an inaccessible and undeveloped national park in Norway, straddling the border between Nord-Trøndelag and Nordland county, with a border to Sweden. The park is for the most part a reservation, with few trails or other facilities for visitors. Visitors can hike for...

: the river Storelva which comes from the lake Jengelvatnet

Jengelvatnet

Jengelvatnet is a lake in Norway that lies on the borders of the municipalities of Røyrvik and Grane and Hattfjelldal . The lake lies inside Børgefjell National Park and it drains to the south into the lake Namsvatnet....

, the river Virmaelva, and the river Orelva which comes from the lake Ovrejaevrie

Ovrejaevrie

Ovrejaevrie or Orvatnet is a lake in the municipality of Røyrvik in Nord-Trøndelag county, Norway. The water from the lake flows out through the river Orelva into the lake Namsvatnet. This lake lies within Børgefjell National Park, less than to the west of the border with Sweden....

. Namsvatnet has Arctic char

Arctic char

Arctic char or Arctic charr is both a freshwater and saltwater fish in the Salmonidae family, native to Arctic, sub-Arctic and alpine lakes and coastal waters. No other freshwater fish is found as far north. It is the only species of fish in Lake Hazen, on Ellesmere Island in the Canadian Arctic...

, trout

Trout

Trout is the name for a number of species of freshwater and saltwater fish belonging to the Salmoninae subfamily of the family Salmonidae. Salmon belong to the same family as trout. Most salmon species spend almost all their lives in salt water...

, and small carp

Carp

Carp are various species of oily freshwater fish of the family Cyprinidae, a very large group of fish native to Europe and Asia. The cypriniformes are traditionally grouped with the Characiformes, Siluriformes and Gymnotiformes to create the superorder Ostariophysi, since these groups have certain...

. Today, tourism

Tourism

Tourism is travel for recreational, leisure or business purposes. The World Tourism Organization defines tourists as people "traveling to and staying in places outside their usual environment for not more than one consecutive year for leisure, business and other purposes".Tourism has become a...

is an important activity.