Arbón, already located in Villayón. Two noticeable tributaries pouring their water on the Navia River in the municipality of Boal are the Urubio River (in the reservoir of Doiras) and the Pendia River (in the reservoir of Arbón). The main elevation of the terrain is located already bordering with the municipalities of Illano and Castropol: it is the range of La Bobia, of 1,201 m above sea level. It is also worth mentioning La Cristaleira (1,036 m) in the southern area of the municipality, Pena Queimada (921 m) in the north-western area, Penouta (899 m) in the northern zone (from there it is possible to see a wide panoramic view of the coast from the municipality of Navia to the environs of Foz, in the province of Lugo) and Penácaros (732 m) in the central area. The capital town of the municipality is located relatively far away from the main valley of the Navia River, in the headwaters of the Pendia River and surrounded by the three aforementioned mountains, at about 450 m above sea level. Civil parishes The municipality of Boal is divided in 7 civil parishes: Boal (in Eonavian: Bual): 966 inhabitants. Castrillón (in Eonavian: Castriyón): 182 inhabitants. Doiras: 153 inhabitants. Lebredo (in Eonavian: Llebredo): 13 inhabitants. La Ronda (in Eonavian: A Ronda): 63 inhabitants. Rozadas: 176 inhabitants. Serandinas (in Eonavian: Serandías): 223 inhabitants. (Source: INE) Main populated places Boal: 526 inhabitants. Armal: 154 inhabitants. Doiras: 98 inhabitants. Miñagón: 94 inhabitants. Rozadas: 79 inhabitants. Serandinas: 69 inhabitants. Prelo: 61 inhabitants. Los Mazos: 49 inhabitants. Sampol: 41 inhabitants. Castrillón: 39 inhabitants. (Source: INE) The parish of Boal The parish of Boal is in size with a population of 1,137 (INE 2007). The town of Boal is the head of this civil parish and also the capital of the homonymous municipality. It is located in the south-eastern mountainside of the Penouta range near the headwaters of the Pendia River, at about 450 m above sea level. It has a population of 588 inhabitants, being they distributed among the three main districts which the town consists of: Boal de Arriba (Upper Boal): this is the historical nucleus of the village, with narrow streets (Alonso Rodríguez Street and Buenos Aires Avenue) where the older houses are located, together with the fairground that hosts the cattle market, and the cemetery. Zona central (Central area): includes the Plaza de la Iglesia (Church Square), where