What it is
The tower is named after the Viking ruler Ragnall and marks the spot where Strongbow married Aoife in 1170. The current stone tower dates from around 1200 and has been a mint, a prison and an arsenal; a cannonball from Cromwell's 1650 siege is still lodged in the wall. Inside, the Waterford Treasures Viking exhibition displays the Waterford kite brooch and finds from the town's excavations.
It is one of three Waterford Treasures museums within a few hundred metres of each other.
Getting there by bus
The tower stands at the eastern end of the Quay where it meets the Mall, five minutes' walk from the bus station at Merchants Quay and from Plunkett railway station across the bridge. City buses along the Quay and Parnell Street stop nearby (Lombard Street stop).
The Medieval Museum, Bishop's Palace and Christ Church Cathedral are all within three minutes on foot.
