Watch Tower, Medieval defensive tower in Waterford, Ireland

The Watch Tower is a cylindrical stone tower on Manor Street in Waterford, one of six surviving towers of the city walls. Its arrow slits, with a gun loop at the bottom, were cut into the walls in the 15th or 16th century for artillery. It has no windows on the city side and two entrances at the rear, one at ground level and one at wall-walk level.

The Watch Tower is one of six surviving towers of Waterford's city walls; its cylindrical form points to a 13th-century build. Arrow slits with a gun loop at the base show it was reworked in the 15th or 16th century for artillery. The Close Gate stood on its western side until Bullocks Wyse of the Manor of St. John had it demolished in the 18th century for easier access to his estate.

The tower was part of the medieval city's defense network and still shows traces of its original purpose today. Visitors can observe how the architecture was adapted to changing military tactics.

The tower stands on Manor Street, where the road now runs past the spot once occupied by the Close Gate on its western side. Two entrances open at the rear, one at ground level and one at wall-walk level, so the tower can be reached from the street and from the wall walk.

The western side of the tower marks the former position of a city gate that was demolished in the 18th century to create access to a neighboring estate. This demolition was part of urban redesign that altered the original fortification line.