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Location Belgium, Vlaams Gewest
Central coordinates 4o 36.00' East  50o 47.00' North
IBA criteria C6
Area 1,250 ha
Altitude 25 - 120m
Year of IBA assessment 2000

BirdLife Belgium

Site description The Flemish part of the Dijle river valley, located south of Leuven, with ponds, marshes, grasslands and woodlands.

Key Biodiversity The area supports staging and wintering waterfowl and is a breeding and staging site for reedbed species.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bluethroat Luscinia svecica breeding  5-10 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
De Dijlevallei - BE2422315 Birds Directive 1,249 is identical to site 1,246  
Doode Bemde Nature Reserve 70 protected area contained by site 70  
Vallée de la Dyle de Wavre à Archennes (Grez-Doiceau) - BE31012C0 Birds Directive 84 protected area is adjacent to site 0  
Vallée de la Dyle en aval d'Archennes (Grez-Doiceau) - BE31004C0 Birds Directive 139 protected area is adjacent to site 0  
Valleien van de Dijle, Laan en IJse met aangrenzende bos- en moerasgebieden - BE2400011 Habitats Directive 4,068 protected area overlaps with site 655  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Mixed woodland  50%
Grassland   10%
Wetlands (inland) Standing freshwater; Water fringe vegetation  10%
Artificial - terrestrial Arable land; Forestry plantations; Urban parks and gardens  20%

Protection status National Low International High70 ha of IBA covered by Nature Reserve (Doode Bemde, 70 ha). 1,250 ha of IBA covered by Special Protection Area (De Dijlevallei, 1,250 ha).

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

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