St Leonard's Tower is a Norman keep in West Malling, in the county of Kent, England. The tower was built by Bishop Gundulf around 1080. Situated beside Manor Park Country Park, along St.Leonard's Road.HistorySt Leonard's Tower was built between 1077 and 1108 by Bishop Gundulf. In 1090, Gundulf also founded St. Mary’s Abbey in West Malling for Benedictine nuns. It probably served as a fortified house (or Castle), although it is also said to be the tower of the church of St Leonard, which was 70ft long by 32ft wide. The church is said to have been demolished for the materials it was made from. Constructed of ragstone, the surviving tower is 32ft square, and 60ft to 70ft tall, being built into a hillside. There were three floors. The tower is a Grade I listed building.