Ďáblova prdel, Granite rock formation in Valtinov, Czech Republic.

Ďáblova prdel is a granite rock formation near the settlement U Panskeho lesa, distinguished by naturally shaped granite structures. The formation is accessible from forest paths and displays characteristic rock patterns typical of the region.

The granite formation took its present shape through weathering. It lies on the Moravian side of the old Bohemian-Moravian land border, about half a kilometre from it, and less than 200 metres from the European watershed between the North Sea and the Black Sea, on the Black Sea side. A marked educational trail, "Na Ďáblovu prdel", now leads here from the U Jakuba lookout tower on Havlova hora.

The Czech name means "Devil's Arse", referring to the shape weathering gave the granite. The formation lies on the Moravian side of the old Bohemia-Moravia land border, about half a kilometre from it, and under 200 metres from the European watershed between the North Sea and Black Sea drainage basins, on the Black Sea side. A children's nature trail, "Na Ďáblovu prdel", leads here from the U Jakuba lookout tower on Havlova hora.

The formation lies about 200 metres from the green hiking trail and 9 km from the nearest railway stop at Kaproun. A children-oriented educational trail, "Na Ďáblovu prdel", leads here from the U Jakuba lookout tower on Havlova hora.

The formation lies on the Moravian side of the Bohemian-Moravian land border, about half a kilometre from it, and less than 200 metres from the main European watershed between the North Sea and the Black Sea, on the Black Sea side. The green hiking trail passes roughly 200 metres away.