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Arco di Trevi: the megalithic gateway between two peoples
Along an ancient path winding its way from Trevi nel Lazio stands a timeless structure: the majestic Arco di Trevi. Six metres tall and almost four metres wide, this giant limestone archway captivates with its construction technique — enormous blocks perfectly interlocking, without the use of mortar, defying the centuries.
A stone border
Its function was not celebratory, but practical and strategic. The arch, which can be dated to around the 4th century BC, is thought to have marked the ancient boundary between two peoples: the Aequi and the Hernici. It most likely served as an imposing customs post, a key checkpoint for flocks moving along the transhumance routes.
An excursion into history
Today, reaching the Arco di Trevi means immersing oneself in a historical and natural landscape that conjures up many sensations. An excursion that carries you back in time, face to face with one of the most fascinating megalithic testimonies in Lazio.
Arco di Trevi can be reached by following hiking trail 692C, which begins at the locality of Ponte San Teodoro, situated at the foot of the village.
