The Park was created on January 1, 1989, on an area of 149.56 km2. Today it is slightly larger at 150.86 km2 (58.25 sq mi), of which 94.64 km2 is forest, 29.08 km2 is waters and 27.14 km2 other types of land, mostly agricultural. Strictly protected zones account for 6.23 km2, including 2.83 km2 of woods. The Park has its headquarters in the town of Suwałki.