The recht van windvang is the right to catch the wind. It’s a right of a windmill owner to prevent owners of neighboring properties to build high structures that interfere with the operation of the mill.
![windmill next to a river](https://www.dutchgenealogy.nl/wp-content/uploads/2018/09/SK-C-211-672x554.jpg)
Mill near Wijk bij Duurstede, about 1668-1670. Credits: Jacob Isaacksz. van Ruysdael, collection Rijksmuseum (public domain)