It covers main part of the river-head of the Wisloka. When the Park was created in 1995 it coverd 199.62 km², although it is now a bit smaller, occupying 194.39 km². The Park is mostly forested - woods occupy 185.31 km².

Magurski National Park’s landscape is typical of the Beskid Niski ridge and consists mainly of heavily forested low and medium peaks.

Among geological curiosities the most important are: "Diabli Kamien" ("Devil’s Stone") and the "Kornuty" preserve. The main part of the park consists of Magura Watkowska ridge with its highest peak - Watkowa (847 meters above sea level). Other significant hills are: Nad Tysowym (713 m) and Wielka Gora (719).