Pasvik Nature Reserve

Pasvik Nature Reserve (Norwegian: Pasvik naturreservat; Russian: заповедник Пасвик, romanized: zapovednik Pasvik) is a bilateral nature reserve located along the Norway–Russia border. It is located in the Pasvikdalen valley in Sør-Varanger Municipality in Finnmark county, Norway and in the Pechengsky District in Murmansk Oblast, Russia. The nature reserve was established in 1992 (Russia) and 1993 (Norway), and it covers an area of 166.4 square kilometers (64.2 sq mi). The Norwegian part covers 19.1 square kilometers (7.4 sq mi), while the Russian part covers 147.3 square kilometers (56.9 sq mi). The nature reserve includes unexploited parts of Pasvikelva and has a rich birdlife.

Along with Øvre Pasvik National Park and Øvre Pasvik Landscape Protection Area in Norway and Vätsäri Wilderness Area in Finland, Pasvik Nature Reserve constitutes part of Pasvik–Inari Trilateral Park.