Fête de la Nature is the largest grassroots nature festival in the Netherlands. Everyone in the Netherlands is invited to organize an event and enjoy nature. The festival takes place during the weekend of the International Day for Biological Diversity on 21 and 22 May. Fête de la Nature is an initiative of NatuurCollege, Nationaal Groenfonds, IUCN NL, RAVON and Zoogdiervereniging. The programme of the festival is presented in form of a searchable homepage (in Dutch) which is available Here.