Cayucupil is a valley, a hamlet and a ''riachuelo'' or small river in the vicinity of

Cañete, Chile Cañete is a city and commune in Chile, located in the Arauco Province of the Biobío Region. It is located 135 km to the south of Concepción. Cañete is known as a "Historic City" (Spanish: ''ciudad histórica'') as it is one of the oldes ...

of the

Arauco Province Arauco Province ( es, Provincia de Arauco) is one of four provinces of the Chilean region of Bío Bío. It spans a coastal area of just south of the mouth of the Biobío River, the traditional demarcation between the nation's major natural regio ...

of the Bío Bío Region that has its origin in the western foothills of the Nahuelbuta Mountains, to the east of that city. It runs to the southwest from among broken and mountainous land, and then to the west through more level ground to join with the

Tucapel River Tucapel is a List of towns in Chile, town and Communes of Chile, commune in the Bío Bío Province, Bío Bío Region, Chile. It was once a region of Araucanía (historic region), Araucanía named for the Tucapel River. The name of the region deri ...

about five kilometers to southwest of the site that the original city of Cañete occupied. In its upper part is a passage that traverses the mountain range. Its name derives from the

Mapudungun Mapuche (, Mapuche & Spanish: , or Mapudungun; from ' 'land' and ' 'speak, speech') is an Araucanian language related to Huilliche spoken in south-central Chile and west-central Argentina by the Mapuche people (from ''mapu'' 'land' and ''che ...

''cayu'' six and ''quypil'', frame of a house. It was a

Moluche The Moluche ("people from where the sun sets" or "people from the west") or Nguluche are an indigenous peoples of the Americas, indigenous people of Chile. Their language was a dialect of Mapudungun, a Mapuche language. At the beginning of the Con ...

rehue A rehue (Mapudungun spelling rewe) or kemukemu is a type of pillar-like sacred altar used by the Mapuche of Chile in many of their ceremonies. Altar/Axis mundi The ''rehue'' is a carved tree trunk set in the ground, surrounded by a hedge o ...

of the

Tucapel Tucapel is a List of towns in Chile, town and Communes of Chile, commune in the Bío Bío Province, Bío Bío Region, Chile. It was once a region of Araucanía (historic region), Araucanía named for the Tucapel River. The name of the region deri ...

aillarehue Aillarehue or Ayllarehue (from the Mapudungun: ayllarewe/ayjarewe: "nine rehues"); a confederation of rehues or family-based units (lof) that dominated a region or province. It was the old administrative and territorial division of the Mapuche, H ...

Sources

Francisco Solano Asta-Buruaga y Cienfuegos, Diccionario geográfico de la República de Chile, SEGUNDA EDICIÓN CORREGIDA Y AUMENTADA, NUEVA YORK, D. APPLETON Y COMPAÑÍA. 1899.
pg. 142 Landforms of Biobío Region Rivers of Chile Valleys of Chile {{Chile-river-stub