Sarek National Park (Swedish:Sareks nationalpark) is a national park in Jokkmokk Municipality, Lapland in the north of Sweden. Established in 1909–1910, the park is one of the oldest national parks in Europe. It is adjacent to two national parks, the Stora Sjöfallet and the Padjelanta. The shape of the Sarek park is roughly circular with an average diameter of about 50km (31.07mi).