Ribacoa is a historical area in central Portugal. It is located roughly between Côa and Águeda rivers. Researchgate - Jose Augusto De Sotto Mayor Pizarro:...

done to make it straighter, which broadly was achieved by delivering the Ribacoa to Portugal (Guarda, the ancient border post, is now 40 km westwards of...

de la Torre Rodriguez, José Ignacio (1998). "La sociedad de frontera de Ribacôa: Fueros y modelos de poblamiento" (PDF). Faculdade de Letras da Universidade...

suggested that the branch line should end at Vilar Formoso, since the Ribacoa plateau could be used, which had easier terrain. This branch line between...