Loevestein Castle is a historic fortress located in the Netherlands, specifically in the province of Gelderland. Built in the 14th century, it served as a strategic stronghold for controlling river traffic on the Waal River. The castle features a mix of Gothic and Renaissance architectural styles, showcasing its long history and various renovations. The castle is surrounded by a moat and has impressive defensive walls. It has played significant roles in Dutch history, including serving as a prison for the famous Dutch writer and philosopher Hugo Grotius. Today, Loevestein Castle is a popular tourist attraction, offering guided tours and events that highlight its rich heritage.