its mouth and that of the Mignone river. Comuni bordering the lake The following comuni are situated on the shore of Lake Bolsena: Bolsena Montefiascone Marta Capodimonte Valentano Gradoli Grotte di Castro San Lorenzo Nuovo Each has a designated length of beach for summer swimming. Some of these have facilities such as cafés, restaurants and boat rentals. Other nearby towns are Sorano, Pitigliano, Acquapendente and Orvieto, with Onano to the northwest. See also Lake Mezzano Orvieto Notes Google Maps Bibliography External links Calderas of Italy Volcanic lakes of Italy Volcanic crater lakes Lakes of Lazio Lake islands of Italy Pleistocene volcanoes Dormant volcanoes