email a friend
printable version
Location Belgium, Vlaams Gewest
Central coordinates 4o 26.00' East  51o 24.00' North
IBA criteria C6
Area 2,200 ha
Altitude 17 - 30m
Year of IBA assessment 2000

BirdLife Belgium

Site description An important and diverse area of dry and wet heathlands, fens and inland sand-dunes of the Antwerpse Kempen.

Key Biodiversity This IBA is also a nationally important staging site for migrating waders and breeding heathland species, including Lullula arborea.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
European Nightjar Caprimulgus europaeus breeding  5-10 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Kalmthoutse Heide Regional Nature Reserve (Flemish Region) 919 protected area contained by site 812  
Kalmthoutse Heide Wetlands of International Importance (Ramsar) 2,200 protected area overlaps with site 2,200  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland  15%
Shrubland Heathland  40%
Wetlands (inland) Fens, transition mires and springs  5%
Artificial - terrestrial Forestry plantations  30%

Land use

Land-use Extent (% of site)
tourism/recreation 60%
forestry 20%
nature conservation and research 60%
water management 20%

Protection status National Partial International High812 ha of IBA covered by State Nature Reserve (Kalmthout, 812 ha). 2,035 ha of IBA covered by Special Protection Area (Kalmthoutse Heide, 2,200 ha). 2,200 ha of IBA covered by Ramsar Site (Kalmthoutse Heide, 2,200 ha).

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Kalmthoutse Heide. Downloaded from on 23/10/2016

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