Lake Vadimo
Lake in Province of Viterbo, Italy
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Background
It is near the ancient Etruscan town of Horta (modern Orte) in the province of Viterbo, in the lower Tiber Valley, not far from Rome.[2]
The Roman domination made the area a municipality of Horta (also Hortanum).[3]
According to Pliny the Younger, there were floating islands on the lake.[4]