Country/territory: Belgium

IBA Criteria met: C6 (2000)
For more information about IBA criteria please click here

Area: 7,010 ha


Site description
The area is situated in the Demer river valley, west and east of the town of Diest. It comprises a rich variety of former river arms, peat ponds, marshes, reedbeds, sedge-fields, humid grasslands and alluvial forests, including heathland relicts on the sandy hills bordering the valley.

Key biodiversity
A breeding and staging area for meadow birds, waders and waterfowl.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Demervallei. Downloaded from on 06/10/2022.