Castell de Calonge de Segarra is a medieval fortress situated on a hilltop in Calonge de Segarra, Barcelona province, likely constructed in the late 10th century. First documented in 1010 when the castle appeared in historical records, the site showcases typical medieval military architecture with robust walls and imposing towers. The castle's strategic position offers panoramic views of the surrounding countryside, exemplifying the defensive positioning of Catalan medieval castles. A short hiking path leads to the remains, making the historical site accessible to visitors interested in medieval heritage and rural Catalan landscape.