Established in 1962, Sutjeska Bosnia and Herzegovina's oldest national park in Bosnia and Herzegovina. It includes the highest peak of Maglić at over 2,386 metres (7,828 ft), on the border with Montenegro. The Montenegrin part of Maglić massif in the park has also formed the Trnovačko Jezero (Trnovačko Lake). The Strict Nature Reserve “Perućica”, one of the last two remaining primeval forests in Europe, is part of the park. The park is also famous as being the location of the Battle of the Sutjeska in 1943 during World War II. It is an affiliated member of EUROPARC Federation.