Radan (Serbian Cyrillic: Радан) is a mountain in southern Serbia, located approximately 33 km from the town of Kuršumlija. Its highest peak, Šopot (also recorded as Tromeđa), reaches an elevation of 1,408 meters (4,619 ft) above sea level.
Geography and Geology
Radan lies at the convergence zone of the Dinaric Alps and the Rhodope mountain system, contributing to its diverse relief, complex geological composition, and tectonic complexity. The mountain is of volcanic origin, part of the Lece andesite complex, evidenced by various igneous rocks, preserved volcanic cones and craters, metal deposits, and numerous thermomineral springs. It separates the valleys of the Toplica River to the north and the Jablanica River to the south. In a broader sense, the Radan massif includes the sub-massifs of Majdan, Ravna Planina, Petrova Gora, Sokolovica, Prolomska Planina, and Arbanaška Planina. Coordinates: 43°00′12″N 21°29′48″E.
Flora and Fauna
The mountain is well covered with deciduous and evergreen forests. Over 750 plant species have been recorded, including endemic species such as Pulsatilla montana ssp. bulgarica, Pastinaca hirsuta, Armeria rumelica, and Sedum stefco. Notable fauna includes the endemic Macedonian vole (Pitymys felteni), as well as bird species such as the black stork (Ciconia nigra), golden eagle (Aquila chrysaetos), peregrine falcon (Falco peregrinus), and eagle owl (Bubo bubo). Streams host brown trout (Salmo trutta) and other fish species.
Notable Landmarks
- Đavolja Varoš (Devil's Town): The mountain's best-known attraction — a geological phenomenon consisting of over 200 earth pyramids (mushroom-like rock formations) created by erosion, located on the southern slopes.
- Ivanova Kula (Ivan's Tower): Ruins of a fortification built atop a volcanic coupe, traditionally associated with medieval commander Ivan Kosančić.
- Justiniana Prima (Caričin Grad): A 6th-century Byzantine city located southeast of the mountain, near Lebane.
- Magnetic Hill: An optical illusion on a road near the village of Ivanje, where vehicles appear to roll uphill. Attracted media attention in 2010.
Nature Park
In October 2017, the Serbian government placed part of the mountain under protection as the Nature Park Radan, citing its geological, biological, and landscape diversity. It spans 41,312.66 ha (102,085.8 acres) across the municipalities of Bojnik, Medveđa, Prokuplje, and Kuršumlija, and is classified as a Category I protected area of exceptional importance (IUCN Category I). It is managed by the state enterprise Srbijašume. The Devil's Town is not included within the nature park boundaries, as it was previously designated a separate geo-park.