Culenco a river of moderate volume that runs from the southern part of the commune of Santa Juana, through the northwestern part of the commune of Nacimiento to its confluence with the Nicodahue River. It has origins in streams from the eastern slopes of the

Nahuelbuta Range The Nahuelbuta Range or Cordillera de Nahuelbuta () is a mountain range in Bio-Bio and Araucania Region, southern Chile. It is located along the Pacific coast and forms part of the larger Chilean Coast Range. The name of the range derives from th ...

in the

Catirai Catirai or Catiray is the region of the Moluche Aillarehue of Catiray in old Araucanía. It is now the Santa Juana commune of the Concepción Province and the Nacimiento commune of the Bío Bío Province of the Bío Bío Region, of Chile. It ...

region to the south of the town of Santa Juana, where it unites several streams from that side of that forested mountain range, and goes towards the southeast to join with the Nicodahue River after a course of more than 35 kilometers, to form the Tavolevo River about seven kilometers from the confluence of the Tavolevo with the

Bio Bio River Bio or BIO may refer to: Computing * bio(4), a pseudo-device driver in RAID controller management interface in OpenBSD and NetBSD * Block I/O, a concept in computer data storage Politics * Julius Maada Bio (born 1964), Sierra Leonean politicia ...

. In its lower part it is more open and fertile. Among the valleys and gorges of its upper part existed some indigenous populations in the early period of the

Arauco War The Arauco War was a long-running conflict between colonial Spaniards and the Mapuche people, mostly fought in the Araucanía. The conflict began at first as a reaction to the Spanish conquerors attempting to establish cities and force Mapuche ...

, and the fort of

San Jerónimo de Millapoa San Jerónimo de Millapoa was a fort founded by Alonso de Sotomayor in 1585. It dominated the small valleys of the eastern slopes of the Nahuelbuta Range of Catirai, in the upper part of the Culenco River, in the mountainous area 25 kilometers sou ...

was built there to control them in 1585.

References

Sources

Francisco Solano Asta-Buruaga y Cienfuegos, Diccionario geográfico de la República de Chile, D. Appleton y Compania, Nueva York, 1899, Pg. 198 Culenco(Rio de)
Rivers of Chile Rivers of Biobío Region Rivers of Araucanía Region {{Chile-river-stub