[1] The landscape of the Park was strongly influenced by a glacier, which covered this area 70-10 thousand years ago.

It is mainly flat - its highest hill - Osowa Góra, reaches only 132 m (433 ft) above sea level.

Park's fauna is characterized by richness of kinds, the best represented are insects with more than 3 thousand species.

In Park thrive all kinds of amphibians which can be met on Polish plains and 5 species of reptiles, including lizards and grass-snake.

Interesting relic are ruins of a castle built in 1827 by Tytus Działyński on the Zamkowa Island on Góreckie Lake.

It is crossed by 7 tourist trails and the richness of its fauna and flora is presented in Ośrodek Muzealno-Dydaktyczny Wielkopolskiego Parku Narodowego (Wielkopolska National Park Museum and Educational Center) in Jeziory.