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The Waterfall of Trevi nel Lazio: the Emerald Drop at Comunacque, Roman Aqueducts and Industrial Archaeology
In the heart of the Monti Simbruini Park, where the Simbrivio and Aniene rivers meet, the Waterfall of Trevi nel Lazio descends into an emerald-coloured pool surrounded by ferns and moss. The Latins called this point ad communes aquas — Comunacque. This point marked the start of the Anio Novus aqueduct, one of the most important infrastructures of ancient Rome. The waterfall is not high, but the colour of the water and the surrounding woodland make it a real gem.
Layers of History in a Few Square Metres
Square megalithic blocks emerge from among the rocks and vegetation: these are the remains of hydraulic intake works from the Claudian era, 1st century AD, and of a Roman villa. According to tradition, one of the twelve monasteries founded by St Benedict, dedicated to San Salvatore (the Holy Saviour), as well as one of the seven castles of the territory of Trevi-Comminacchio, also stood here.
Another Type of Archaeology: Industrial
At the same spot, after Italian Unification, a small three-turbine hydroelectric power station was built, water once again being used to acquire energy. The ruins are visible beside the bridge over the river Simbrivio.
