The clock tower in Kamenha dates back to the Middle Ages, and gives access to the historic center of the village, and to the south of it were the gates of Viana that form an exit towards Viana do Castelo. The tower has a square plan consisting of two floors, and is currently the only remaining tower of the castle of Kamenha , a clock was placed on its top, and it was declared a national monument in 1951, and today it reflects the history of its origin and its urban development from its beginnings to the present day.