Ewloe Castle is a historic site located in Wales, near the village of Ewloe. Built in the 13th century, it was constructed by the Welsh prince Llywelyn the Great as part of his efforts to defend against English incursions. The castle features a distinctive circular tower and remains of its stone walls, showcasing medieval architecture. The castle is situated on a hill, providing strategic views of the surrounding landscape. Today, Ewloe Castle is a popular destination for visitors interested in history and archaeology. It is managed by Cadw, the Welsh Government's agency responsible for the preservation of historic sites.