Torre de La Nava, also known as Torre del Puerto, stands in Castillo de Locubín in Jaén province as a medieval watchtower accessible through the scenic La Nava mountain pass. The cylindrical tower measures 4.33 meters in diameter with a solid lower section reaching 3.4 meters and features two floors beneath its rooftop. Located on the old route from Alcaudete to Alcalá la Real, the tower is a 30-minute walk from the pass and serves as both a defensive structure and scenic overlook. The site combines historical significance with natural beauty, offering hikers a chance to explore medieval fortifications while enjoying the surrounding landscape of Jaén's Sierra Sur region.