An important and diverse area of dry and wet heathlands, fens and inland sand-dunes of the Antwerpse Kempen.
This IBA is also a nationally important staging site for migrating waders and breeding heathland species, including Lullula arborea.
Pressure/threats to key biodiversity
One of the main threats is accidental fire damage during dry periods. There is intensive research on heathland habitats related to management and a detailed management plan exists. The whole site is designated as a green area on the physical planning map. 2,000 ha of IBA covered by proposed Site of Community Importance (Kalmthoutse Heide, 2,018 ha).
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).
BirdLife International (2022) Important Bird Areas factsheet: Kalmthoutse Heide. Downloaded from
http://www.birdlife.org on 20/01/2022.