Vereniging tot Behoud van Natuurmonumenten in Nederland (Society for preservation of nature monuments in the Netherlands) is a Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 organisation founded in 1905 by Jac. P. Thijsse

Jac. P. Thijsse

Jac. P. Thijsse was a Dutch conservationist and botanist. He is sometimes referred to as J.P. Thijssse. He created the "J.P. Thijssse Park" in Amstelveen. He placed on De Grootste Nederlander.- References :...

, that buys, protects and manages nature reserves in the Netherlands. It was awarded the Gouden Ganzenveer

Gouden Ganzenveer

The Gouden Ganzenveer is a Dutch cultural award initiated in 1955, given annually to a person or organization of great significance to the written and printed word. Recipients are selected by an academy of people from the cultural, political, scientific, and corporate world. Members meet once a...

in 1986.

In January 2008 the organisation had 345 (ca. 99.000 ha) nature reserves under management.
The largest is De Wieden (5,847 ha) and the smallest is Fort Ellewoutsdijk (1 ha).