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Location Hungary, Borsod-Abaúj-Zemplén
Central coordinates 20o 33.00' East  48o 29.00' North
IBA criteria C6
Area 23,602 ha
Altitude 143 - 604m
Year of IBA assessment 2002

Hungarian Ornithological and Nature Conservation Society

Site description The site is situated on the Hungarian part of the Gömör-Torna karst plateau, adjacent to the Slovakian border. The main rock formation is Triassic limestone, which is overlain by forest soils. These soils support extensive areas of native deciduous forest, rocky grasslands and wet meadows, whilst the valleys are extensively farmed.

Key Biodiversity An important area for raptors and forest birds, with Crex crex breeding in the valleys.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Hazel Grouse Bonasa bonasia breeding  2001  40-70 breeding pairs  unknown  C6  Least Concern 
European Honey-buzzard Pernis apivorus breeding  2001  23-31 breeding pairs  unknown  C6  Least Concern 
Short-toed Snake-eagle Circaetus gallicus breeding  2001  3 breeding pairs  unknown  C6  Least Concern 
Picus canus breeding  2001  140-180 breeding pairs  unknown  C6  Not Recognised 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Aggtelek Biosphere Reserve UNESCO-MAB Biosphere Reserve 19,247 protected area contained by site 19,247  
Aggteleki National Park 20,178 protected area contained by site 19,763  
Caves of Aggtelek Karst and Slovak Karst World Heritage Site 56,563 protected area contained by site 0  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Wooded steppe  70%
Shrubland Scrub  5%
Grassland Humid grasslands; Steppes and dry calcareous grassland  15%
Artificial - terrestrial Arable land; Forestry plantations  10%

Land use

Land-use Extent (% of site)
agriculture 5%
forestry 80%
nature conservation and research 100%
tourism/recreation 70%

Protection status National Partial International Partial19,763 ha of IBA covered by National Park (Aggteleki, 19,763 ha). 19,247 ha of IBA covered by Biosphere Reserve (Aggtelek Biosphere Reserve, 19,247 ha). The IBA also includes the Caves of Aggtelek and Slovak Karst World Heritage Site.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Aggtelek Karst. Downloaded from on 27/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife