O'Meagher's Castle is a historic structure located in County Tipperary, Ireland. It was built in the 15th century and is associated with the O'Meagher family, who were prominent in the region. The castle features typical medieval architecture, including thick stone walls and narrow windows, designed for defense. The castle is situated near the River Suir and offers scenic views of the surrounding landscape. Although it is now in ruins, O'Meagher's Castle remains a point of interest for visitors and historians, reflecting the rich heritage of Irish castles and their role in the country's history.