Pravčická brána
General Characteristics
County (administration):
Ústecký kraj
District (town):
Děčín
Village:
Hřensko
Cadastre:
Hřensko
Map sheets:
02-23 Děčín, 02-232 Arnoltice
Accessibility:
passable footpath
ID:
20
Geology
Short characteristics of the site:
Largest rock arch in the Central Europe (its heights amounts 19 m and width 26.5 m). It was formed by a selective weathering and removal of less competent parts of a rock massif. The pillar consists of quartzose sandstone of the Jizera Formation (Middle up to Upper Turonian). Remarkable locality, also touristically attractive.
Regional geologic unit:
Bohemian Massif > Cretaceous of the Bohemian Massif > Bohemian Cretaceous Basin > Bohemian Cretaceous Basin - Lugic development
Stratigraphy:
Turonian
Subject:
geomorphology, sedimentology
Geological phenomenon:
rock arch, rock, rock chimney, rock salient, cliff, rock schelter, gully, rock pillar, karren, honeycombs
Genesis:
sedimentary, aeolian (wind activity), aquatic (water activity)
Rock:
sandstone
Territorial protection
Level of protection:
National nature monument in National park
Part of LEPA (Large-size especially protected areas):
České Švýcarsko
Additional information:
See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR, code 339 (Pravčická brána)
Conflicts of interests:
tourism
References
- Balatka, B. Sládek, J. (1974): Pískovcové skalní brány v Čechách. - Ochrana přírody, 29, 1, 247-250. Praha
- Valečka, J. et al. (1986): Vysvětlující text k základní geologické mapě 1 : 25 000 list 02-231 Kristin Hrádek a 02-232 Arnoltice. MS Archiv ČGÚ Praha
Elaboration and Updating
Elaborated by:
Jaroslav Valečka, 03.11.1994
Updated by:
Lorencová Markéta, 26.07.2005, Valečka Jaroslav, 11.11.2008
Citation
The database Important geological localities of the Czech Republic: 20 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/20.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
major
Significance:
national
Representativeness:
major
Geological importance:
geoturistic value
Excursion locality:
yes
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
