1 November - 3 November Event Series Tuber Magnatum – White Truffle Festival Poggio Umbricchio – Tuber Magnatum – White Truffle Festival Poggio Umbricchio Largo della Chiesa, Poggio Umbricchio, Teramo, Italy The Tuber Magnatum white truffle festival is located high in the Gran Sasso Mountains in the small medieval town of Poggio Umbricchio. It was once part of the world’s smallest republic Senarica and was aligned to Venice.