Ribeira de Pena is a municipality in the Vila Real District, in Norte Region in Portugal. The population in 2011 was 6,544, in an area of 217.46 km2. Located on a zone of transition between the harsh and mountainous Trás-os-Montes and the verdant Minho, the municipality of Ribeira de Pena, crossed by the calm waters of the Tâmega River, displays unique characteristics and also offers visitors the unmistakable flavour of the region's "green wine."