Pijnacker is a town in the Dutch province of South Holland. It is located about 4 km east of the city of Delft, in the municipality of Pijnacker-Nootdorp. Pijnacker has two stops on the Randstadrail Erasmuslijn between The Hague and Rotterdam: Pijnacker and Pijnacker-Zuid. Pijnacker was a separate municipality until 2002, when it merged with Nootdorp. In and around Pijnacker there are big and attractive nature areas, of which one is the Ackerdijkse Plassen, one of the most important bird areas in the Netherlands. A well known native from Pijnacker is Mabel Wisse Smit.