De Slikken van de Heen is a nature area at Sint Philipsland, it consists of former sand flats and mud flats. De Slikken van de Heen came to existence after closing the Philipsdam in 1987. Sint Philipsland,Tholen, Zeeland, the Netherlands. © 15 aug 2016 Marco van Middelkoop/Aerophoto-Schiphol