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Location Netherlands, Flevoland,Noord-Holland
Central coordinates 5o 12.00' East  52o 19.00' North
IBA criteria A4i, A4iii, B1i, B2, C2, C3, C4, C6
Area 2,670 ha
Year of IBA assessment 2000

Vogelbescherming Nederland

Site description A freshwater lake, bounded in the north by the dyke of Zuidelijk Flevoland polder (reclaimed in 1968) and in the south by the mainland. The site is connected to Lake Markermeer (038) in the west and to Lake Eemmeer (045) in the east. There are extensive though narrow reedbeds along the mainland coast. The site includes a grassland polder east of the city of Naarden.

Key Biodiversity The average seasonal peak number of waterbirds during 1992-1996 was more than 20,000.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Tundra Swan Cygnus columbianus winter  1987-1991  193 individuals  good  A4i, B1i, B2, C2  Least Concern 
Gadwall Mareca strepera non-breeding  1988-1992  419 individuals  good  B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata non-breeding  1987-1992  697 individuals  good  B1i, C3  Least Concern 
Black Tern Chlidonias niger passage  1988-1992  334 individuals  good  C6  Least Concern 
A4iii Species group - waterbirds unknown  20,000 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Gooikust bij Naarden Natural Monument 15 protected area contained by site 15  
Gooikust bij Naarden II Natural Monument 65 protected area contained by site 65  
Gooimeer Natural Monument 400 protected area contained by site 400  
Gooimeer Nature Reserve 178 protected area contained by site 178  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater  97%

Land use

Land-use Extent (% of site)
fisheries/aquaculture 20%
water management 100%
nature conservation and research 18%
tourism/recreation 80%
urban/industrial/transport 30%

Protection status National Partial International Partial15 ha of IBA covered by Natural Monument (Gooikust bij Naarden, 15 ha). 65 ha of IBA covered by Natural Monument (Gooikust bij Naarden II, 65 ha). 400 ha of IBA covered by Natural Monument (Gooimeer, 400 ha). 178 ha of IBA covered by Nature Reserve (Gooimeer, 178 ha). 490 ha of IBA covered by Special Protection Area (Eemmeer, Gooimeer en IJmeer, 1,800 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Lake Gooimeer. Downloaded from on 27/10/2016

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