This Roman road emerges from albufeira about one kilometre south-west of the chapel of Saint Alexius, in Penedones, next to the graves. This location until Tariq, the former EN 103 adopted the route of Via romana, passing West of castro de São Vicente, the village of Chã, Peirezes, Peirezes and Gralhós bridge. It was built in the time of the first Roman Emperor Augustus, as evidenced by the anepígrafo milestone. Is an integral part of the route of the Via romana XVII, between Braga and Astorga.

Megalithic monument partly destroyed, to present about 17 feet maximum diameter, a central depression accentuated. Are not visible Struts. In the surrounding area there are a few stones of walls that may have been mainstays. It is believed to date from between the end of the 5th Millennium BC and the beginning of the third millennium BC.