The hills of the region include the Asberg ( NN), the Meerberg ( NN), the Minderberg ( NN), the Hummelsberg ( NN), the Römerich ( NN), the Willscheider Berg ( NN) and the Himberg ( NN). In the Siebengebirge Nature Park on the North Rhine-Westphalian side are also the Leyberg ( NN), the Himmerich ( NN), the Broderkonsberg ( NN) and the Zickelburg ( NN) (see also complete list). A majority of the area is counted as part of the forests of Erpeler Kirchspielwald, Dattenberger Wald and Leubsdorfer Wald.