Ackerdijkse Plassen
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| Ackerdijkse Plassen | |
|---|---|
 The BerkelscheZweth in the Ackerdijkse Plassen | |
  Location in Netherlands | |
| Location | South Holland |
| Nearest city | Pijnacker-Nootdorp |
| Coordinates | 51°58′39″N 4°24′30″E / 51.97750°N 4.40833°E |
| Operator | Vereniging Natuurmonumenten |
Ackerdijkse Plassen is a nature reserve in Oude Leede, a village in the municipality of Pijnacker-Nootdorp, (south of Delft and west of Berkel en Rodenrijs). It is one of the most important bird areas in the Netherlands.[1] In addition to 115 species of breeding birds, the ponds are visited annually by about eighty species of migratory birds, such as greenish warbler, Greater short-toed lark, short-eared owl, booted eagle, lesser spotted eagle, black crowned night heron and osprey. Konik provide grazing in the area.
The area contains a restored farmhouse from 1660.
The area is closed to visitors; however, there are hiking trails and bike paths around the outside of the area.
The Nature Society took over the management of the area from the Birdlife Netherlands.