Ullerentjernet is a small

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

located in the municipality of Ringerike in

Viken county Viken may refer to: *Viken, Scandinavia, a historical region *Viken (county), a Norwegian county established in 2020 *Viken, Sweden, a bimunicipal locality in Skåne County, Sweden *Viken (lake), a lake in Sweden, part of the part of the Göta cana ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...

. It is in the Skjærdalsvassdraget watershed formed by a number of smaller streams, rivers, ponds and marshes which drain into Tyrifjord. Ullerentjernet is situated in Holleia, a hilly terrain with a forest switching between spruce and pine. ''Holleia'' (Store norske leksikon. Geir Thorsnæs)
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See also