Wielkopolska is a province in Poland whose capital is Poznań. It has a landscape characterized by fields, beautiful lakes formed by glacial activity, forests along rivers like the Noteć and Warta, and mineral resources like brown coal. One of its national parks is the Wielkopolska National Park, known for its lakes and inhabitants. Historic sites include the Kórnik Castle and park and Rogalin Landscape Park with old oaks and a palace.