Wielkopolska is a province in Poland with typical landscapes including fields, forests, and beautiful lakes formed by glacial activity. The capital is Poznań. The document discusses several national parks and forests in Wielkopolska, including the Wielkopolska National Park near Poznań which contains lakes and forests. It also describes the main rivers that run through the region, the Warta and Notecka rivers, and highlights landmarks like the Kórnik castle and park.