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Founded by Jac P. Thijsse in 1905.1
Private company
Logo: natuurmonumenten.nl4
Dutch conservation organization
Vereniging tot Behoud van Natuurmonumenten in Nederland (English: Society for Preservation of Nature Monuments in the Netherlands), also known as Vereniging Natuurmonumenten, is a Dutch nature conservation organization founded in 1905 by Jacobus Pieter Thijsse and Eli Heimans, that buys, protects, and manages nature reserves in the Netherlands. It is a member of the European Environmental Bureau. The first area that the organization purchased in 1905 was to protect the Naardermeer, southeast of Amsterdam.2 It was founded by Jac P. Thijsse.1 Its revenue was €191 million in 2025.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Vereniging tot Behoud van Natuurmonumenten in Nederland (English: Society for Preservation of Nature Monuments in the Netherlands), also known as Vereniging Natuurmonumenten, is a Dutch nature conservation organization founded in 1905 by Jacobus Pieter Thijsse and Eli Heimans, that buys, protects, and manages nature reserves in the Netherlands. It is a member of the European Environmental Bureau.2
Founded by Jac P. Thijsse in 1905.1
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