Fortification wall, 2.50 - 2.90 m. thick, is preserved. It is identified with the acropolis of ancient Larisa Kremaste, a city of Achaia Phthiotis. Built according to the trapezoidal and isodomic technique dates to the 5th and 4th century B.C. Towers set in spaces, three gates and a postern (span 1.36 m) are visible.