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Location Hungary, Nógrád
Central coordinates 19o 5.00' East  48o 5.00' North
IBA criteria C1
Area 6,300 ha
Altitude 112 - 183m
Year of IBA assessment 2002

Hungarian Ornithological and Nature Conservation Society

Site description A meandering river on the Slovakian border, situated between the villages of Hont and Ipolyszög. Wet grasslands and marshes dominate the IBA, with smaller areas of Alnus woodland and sandy grassland. The area is relatively unaffected by human activity.

Key Biodiversity The area is important for breeding and migratory waterbirds, but only Crex crex meets IBA criteria.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Corncrake Crex crex breeding  2001  20-35 breeding pairs  unknown  C1  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Börzsöny - HUDI20008 Habitats Directive 30,401 protected area is adjacent to site 0  
Börzsöny és Visegrádi-hegység - HUDI10002 Birds Directive 49,557 protected area is adjacent to site 0  
Duna-Ipoly National Park 60,314 unknown 0  
Ipoly völgye - HUDI10008 Birds Directive 6,354 protected area overlaps with site 5,937  
Ipoly völgye - HUDI20026 Habitats Directive 2,937 protected area overlaps with site 1,944  
Középsõ-Ipoly-völgy - HUBN20062 Habitats Directive 1,679 protected area overlaps with site 1,496  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest  10%
Grassland Humid grasslands  60%
Wetlands (inland) Rivers and streams; Water fringe vegetation  20%
Artificial - terrestrial Forestry plantations  10%

Land use

Land-use Extent (% of site)
agriculture 70%
water management 5%
forestry 20%
urban/industrial/transport 5%

Protection status National Partial International NoneThe IBA overlaps with Duna-Ipoly National Park.

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Ipoly Valley. Downloaded from on 05/03/2015

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