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Ondrášovy díry

General Characteristics

County (administration): Moravia-Silesian Region
District (town): Frýdek-Místek
Cadastre: Staré Hamry 2, Malenovice
Map 1 : 50 000 (sheet No): 2522, 25223
Geological region: Subsilesian & Silesian units
Accessibility: - passable footpath
ID : 660


Short characteristics of the site: Nw. ridge of the Lysá hora is built of the Godula Formation (Upper Cretaceous, Silesian Unit) of the Carpathian Flysch Belt. Gravity movements formed pseudocarst cave 217 m long and 34,5 m deep.
Regional geologic unit: Carpathian - Flysch belt - Outer (Menilit-Krosněny) group of nappes
Stratigraphy: mezozoikum - křída - svrchní křída
Subject: geomorphology, engineering geology
Geological phenomenon: pseudocrast cave
Genesis: gravitational
Rock: sandstone, claystone

Territorial conservation

Level of protection: Nature monument in Protected landscape area
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area: (declared as Geological locality)
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Beskydy
Conflicts of interests: tourism


Záruba, Q - Mencl, Z. (1969): Sesuvy a zabezpečování svahů. - Academia Praha. Wagner, J. et al. (1990): Jeskyně Moravskoslezských Beskyd a okolí.

Elaboration and Updating

Elaborated by: Šulgan František, 22.11.93
Updated by: Bubík Miroslav 23.10.12


The database Significant geological localities of the Czech Republic: 660 [online]. Prague: Czech Geological Survey, 1998 [cit. 2022-06-26]. Available from: http:// lokality.geology.cz/660.

Location in map:

Links to neighbouring localities within 2 km radius are available on mouse click in the map window.

(C) 2003-2012 ČGS, verse aplikace 1.21 [3.2.2016]