The White Tower is the surviving keep of Issoudun's medieval castle, a round stone tower started under Richard the Lionheart and completed in the early 13th century. It stands on a raised mound at the edge of the old castle quarter, high enough to make sense of the town's flat Berry setting.
When open, the visit is short and simple: climb for the view, then wander the surrounding lanes toward Saint-Cyr Church and the belfry.