Slot Zuylen is a Dutch castle at the village of Oud-Zuilen just north of the city of Utrecht. It is located at the southern end of the Vechtstreek.
The castle was originally built in the 13th century by lord van Suilen en Anholt as a simple Donjon. In 1420 during the Hook and Cod wars the castle was completely demolised. In 1525 rebuilding started. In 1752 the castle was modified for the last time. It holds a tapestry by the Delft carpet weaver Maximiliaan van der Gught. Its past inhabitants include Steven van der Hagen and Belle van Zuylen.
Kransber, D. & H. Mils, Kastelengids van Nederland, middeleeuwen, Bussem 1979 (ISBN 90 228 3856 0)
Kalkwiek, K.A., A.I.J.M. Schellart, H.P.H. Jansen & P.W. Geudeke, Atlas van de Nederlandse kastelen, Alphen aan den Rijn 1980 (ISBN 90 218 2477 9)
Helsdingen, H.W. van, Gids voor de Nederlandse kastelen en buitenplaatsen, Amsterdam 1966
Tromp, H.M.J., Kijk op kastelen Amsterdam 1979 (ISBN 90 10 02446 6)
