Bory Tucholskie National Park is a national park in Poland, created on July 1, 1996. It covers an area of of forests, lakes, meadows and peatlands. The Park is located in the northern part of Poland, in Chojnice County in Pomeranian Voivodeship, in the heart of the Tuchola Forest, the largest woodland in Poland. It is surrounded by a larger protected area called Zaborski Landscape Park. The Park forms the core of the Tuchola Forest Biosphere Reserve, designated by UNESCO in 2010.