Across the large proportion of the Vienna Woods in Döbling, lie numerous hills of Vienna. Many lie on the border with Lower Austria and the neighboring districts. The highest summit is Hermannskogel (542 m, 1778 ft;) with an outlook tower; however, the symbols of Döbling are the Kahlenberg (484 m, 1588 ft) with an outlook and a radio mast, and the nearby Leopoldsberg (427 m, 1401 ft). Other hills in this region are: the Reisenberg, Latisberg, Vogelsangberg, Dreimarkstein and Nußberg. Besides, there are partially built-up elevations in Döbling, such as Hohe Warte in Heiligenstadt, the Hungerberg in Grinzing, and the Hackenberg in Sievering.