| Serra dos Ancares | |
|---|---|
| Sierra de los Ancares | |
 General view of the range | |
| Highest point | |
| Peak | Cuiña |
| Elevation | 1,987 m (6,519 ft) |
| Coordinates | 42°46′05″N 6°53′53″W / 42.76806°N 6.89806°W |
| Dimensions | |
| Length | 95 km (59 mi) NE/SW |
| Width | 32 km (20 mi) NW/SE |
| Geography | |
  Serra dos Ancares Location in Spain | |
| Location | Lugo Province, Galicia León Province, Castile and León |
| Country | Spain |
| Parent range | Galician Massif |
| Geology | |
| Orogeny | Variscan orogeny |
| Rock age | Ordovician |
| Rock type(s) | Slate, limestone, sandstone, quartzite |
The Serra dos Ancares (Spanish: Sierra de los Ancares, also known as Sierra de Ancares) is a mountain range of the Galician Massif in north-west Spain, extending in a south-westerly direction from the western end of the Cantabrian Mountains in Asturias.