Wielkopolska is a province in Poland with Poznań as its capital. It has a landscape characterized by fields, forests, and beautiful lakes formed by glacial activity. One notable feature is the Wielkopolska National Park near Poznań, which contains lakes and forests and is home to various inhabitants. The main river flowing through Wielkopolska is the Warta River. Historic sites include the Kórnik Castle and park with unique plants and trees, and the Rogalin Landscape Park known for old oak trees.