The Castillo de Mequinenza is a historic castle located in the town of Mequinenza, Spain. It was built in the 12th century and has served various purposes throughout its history, including military defense and a royal residence. The castle is strategically positioned on a hill overlooking the confluence of the Ebro and Segre rivers, providing a commanding view of the surrounding landscape. The castle features a mix of architectural styles, reflecting its long history and the different cultures that have influenced it. Today, the Castillo de Mequinenza is a popular tourist attraction, offering visitors a glimpse into the region's rich history and stunning views of the rivers below.