Map showing the "old" and the "new" frontiers of Mapuche Araucanía established by 1870 through the occupation of the Araucanía.
The Biobío at Concepción close to where it meets the sea

Following the great rising of the Moluche and Huilliche after the Battle of Curalaba in 1598 during the Arauco War, they expelled the Spanish from south of the Bío-Bío River.

- Araucanía (historic region)

The Biobío was the traditional borderline, or "La Frontera", during the later part of the War of Arauco between La Araucanía, the southern Mapuche self-ruled areas and northern Spanish-ruled Captaincy General of Chile.

- Biobío River

2 related topics

Alpha

Araucanía Region

One of Chile's 16 first-order administrative divisions, and comprises two provinces: Malleco in the north and Cautín in the south.

One of Chile's 16 first-order administrative divisions, and comprises two provinces: Malleco in the north and Cautín in the south.

The administrative Araucanía Region was established in 1974, in what was the core of the larger historic region of Araucanía.

After sending many forces against the Mapuche, the Spanish had earlier ended their losses by establishing the southern border of their colony in this area at the northern banks of the Biobío River.

Map of the Araucanía from the 18th century, showing a large part of the territory in which the Arauco War was fought.

Arauco War

Map of the Araucanía from the 18th century, showing a large part of the territory in which the Arauco War was fought.
Pedro de Valdivia
Doña Inés de Suárez in defending the city of Santiago
Caupolican by Nicanor Plaza
Picture from Alonso de Ovalle's Historia de Chile
Picture "El joven Lautaro" of P. Subercaseaux, shows the military genius and expertise of its people.
García Hurtado de Mendoza, 5th Marquis of Cañete

The Arauco War was a long-running conflict between colonial Spaniards and the Mapuche people, mostly fought in the Araucanía.

Initially, the key area of conflict that the Spanish attempted to secure south of Bío Bío River were the valleys around Cordillera de Nahuelbuta.