O Barco de Valdeorras is a municipality in the province of Ourense, in the autonomous community of Galicia, Spain.

One of its economic foundations, besides mining and slate processing, is wine production, which qualified for the Designation of Origin Valdeorras.

Remains of Roman and pre-Roman culture and several stately manor houses are the most important monuments in the town.

The Gegurros, one of the 22 villages that were part of Asturican convent, were the ancient inhabitants of this land and the adjective derived from the current name of the region (Val-de-giorres).

By passing the Via Nova (XVIII of the Antonine Itinerary) that joined Braga and Astorga, and other secondary platforms, forced the people of these areas to build bridges that are a testament of that time.