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Location Luxembourg, Canton de Wiltz
Central coordinates 5o 51.00' East  49o 52.00' North
IBA criteria C6
Area 3,581 ha
Altitude 325 - 511m
Year of IBA assessment 2009

Letzebuerger natur-A Vulleschutz-Liga

Site description The largest water reservoir in Luxembourg, with adjacent forests. The site was included within a larger IBA (formerly LU001) in the previous international IBA inventory (Grimmett and Jones 1989).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Osprey Pandion haliaetus passage  2000-2009  10-20 individuals  medium  C6  Least Concern 
Hazel Grouse Bonasa bonasia resident  2000-2009  5-20 breeding pairs  medium  C6  Least Concern 
Black Stork Ciconia nigra breeding  2000-2009  1-2 breeding pairs  medium  C6  Least Concern 
European Honey-buzzard Pernis apivorus breeding  2000-2009  1-5 breeding pairs  medium  C6  Least Concern 
Middle Spotted Woodpecker Leiopicus medius breeding  2000-2009  5-10 breeding pairs  poor  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Boulaide/Bauschleiden-Paaffels Humid Zone 212 protected area contained by site 212  
Lac de la Haute-Sûre / Insenborn-Buurgknapp Forest Reserve 111 protected area contained by site 111  
Lac de la Haute-Sûre / Mecher-Schlaedchen Forest Reserve 160 protected area overlaps with site 148  
Lac de la Haute-Sûre / Neunhausen-Ningserboesch Forest Reserve 901 protected area overlaps with site 450  
Pont Misère-Barrage de retenue Humid Zone 280 protected area overlaps with site 280  
Vallée supérieure de la Sûre / Lac du barrage - LU0001007 Habitats Directive 4,363 protected area overlaps with site 3,297  
Vallée supérieure de la Sûre et affluents de la frontière belge à Esch-sur-Sûre - LU0002004 Birds Directive 3,583 is identical to site 3,581  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Native coniferous woodland  51%
Shrubland Scrub  5%
Grassland Mesophile grasslands  9%
Wetlands (inland) Rivers and streams; Standing freshwater  10%
Artificial - terrestrial Arable land; Forestry plantations  25%

Land use

Land-use Extent (% of site)
agriculture 5%
forestry 71%
hunting -
nature conservation and research -
rangeland/pastureland 9%
water management 10%

Protection status National None International HighIBA entirely covered by Special Protection Area.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Upper Valley of the Sure. Downloaded from on 25/10/2014

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