Østensjøvannet

Østensjøvannet is a large body of water found within the city of Oslo, the capital of Norway. It is located on the east side of the city. The area is used by many as a recreational area, as there are scenic and nice pathways around the water, as well as plenty of places to sit and relax and enjoy a small piece of nature in an urban environment. The body of water and the small pieces of land surrounding it (including the pathways) was established as a nature reserve in 1992, and thus the area is protected.

Østensjøvannet is especially diverse in wetland plant species and vegetation, which provides the basis for a high diversity of other wildlife. The area is renowned for its birdlife, with a great variety in species and large populations of vulnerable and endangered species, such as the moorhen and black-headed gull. One of the main attractions is the great crested grebe, which is found in good numbers. It is also a top spot for migrating birds, which use Østensjøvannet as an important stop before their journey onwards. Every year rare and vagrant species appear in the area, and as many as 223 species of bird have been recorded here in total.