The Andalién River is a river in the
province of Concepción, in the
Bío Bío Region of Chile. It drains the western side of Chile's
Cordillera de la Costa and has a total length of .
It is one of the two rivers that bracket the city of
Concepción.
Course
The Andalién River is formed by the union of the Poñén from the north and the Curapalihue from the south in the
commune of Florida. It then flows southwest and west, and eventually northwest into the city of
Concepción, Chile
Concepción (; originally: ''Concepción de la Madre Santísima de la Luz'', "Conception of the Blessed Mother of Light") is a city and Communes of Chile, commune in south-central Chile, and the geographical and demographic core of the Greater Co ...
. After the city of Concepción, it flows north through the former villages (now neighbourhoods) of Andalién and El Rosal, and then the
communes
A commune is an alternative term for an intentional community. Commune or comună or comune or other derivations may also refer to:
Administrative-territorial entities
* Commune (administrative division), a municipality or township
** Communes of ...
of
Talcahuano
Talcahuano () (From Mapudungun ''Tralkawenu'', "Thundering Sky") is a port city and commune in the Biobío Region of Chile. It is part of the Greater Concepción conurbation. Talcahuano is located in the south of the Central Zone of Chile.
...
, and
Penco
Penco (Mapudungun: See (''Pen''), Water (''Ko'')), is a Chilean city and commune in Concepción Province, Bío Bío Region on the Bay of Concepción. Founded as the city of Concepción del Nuevo Extremo ('beginning of the new extreme') on Febr ...
. There, on its
alluvial plain
An alluvial plain is a plain (an essentially flat landform) created by the deposition of sediment over a long period by one or more rivers coming from highland regions, from which alluvial soil forms. A ''floodplain'' is part of the process, bei ...
northeast of Concepción, it forms
distributaries
A distributary, or a distributary channel is a stream channel that branches off and flows a main stream channel. It is the opposite of a ''tributary'', a stream that flows another stream or river. Distributaries are a result of river bifurca ...
, and small lakes, such as the Laguna Negra, before entering the
Bay of Concepción.
The Andalién river basin covers approximately 23% of the province of Concepción and also includes part of the municipalities of Penco, Florida, Talcahuano and Tomé.
From its source to the junction of the limits of Talcahuano and Penco, the river crosses a large part of the city of Concepción and flows into the limits of Penco and Talcahuano. The length of the Andalién River is about 36 km.
See also
*
Battle of Andalién
Notes and references
Sources
*
*
Rivers of Chile
Rivers of Biobío Region
{{Chile-river-stub