Poulnalong Castle, also known as Shippool Castle, is a 16th-century tower house built in 1543 by Philip Roche on the east bank of the River Bandon in County Cork. The castle played a significant role during the Irish Rebellion of 1641, when it was held for the rebels by Patrick Roche Fitzrichard and saw action during the subsequent Confederate Wars. This historic fortification stands as a testament to the turbulent political landscape of 17th-century Ireland.