Walls, towers and gates Torre di Montemarcello The Tower of Montemarcello, in the province of Ameglia, is located in the homonymous Castle. The Tower gives towards the north entrance of the city. The structure is assumed to date back to 1286 at the behest of Bishop Luni Enrico for purely defensive purposes. Today, the property is in excellent condition and is open to the public and is open to the public.