The Oca river is a short river, about long, in the north of Spain. It is an affluent of the
Ebro
The Ebro (Spanish and Basque ; , , ) is a river of the north and northeast of the Iberian Peninsula, in Spain. It rises in Cantabria and flows , almost entirely in an east-southeast direction. It flows into the Mediterranean Sea, forming a de ...
river that flows through the province of Burgos. It begins in the
Sistema Ibérico range and flows north through the municipalities of
Rábanos,
Villafranca Montes de Oca,
Valle de Oca,
Alcocero de Mola,
Prádanos de Bureba,
Briviesca,
Vileña, the shire of
Bureba and Oña.
The Oca River rises in the ''
comarca
A ''comarca'' (, , , ) is a traditional region or local administrative division found in Portugal, Spain, and some of their former colonies, like Brazil, Nicaragua, and Panama. The term is derived from the term ''marca'', meaning a "march, mark ...
'' of
Montes de Oca, near the town of Rábanos. Near its source, the river passes through the narrow, rock-lined gorge of La Hoz. This passage, long and high, was of great strategic value in the 11th century and was defended by the castle of Alba.
Affluents
From the
right
Rights are law, legal, social, or ethics, ethical principles of freedom or Entitlement (fair division), entitlement; that is, rights are the fundamental normative rules about what is allowed of people or owed to people according to some legal sy ...
, the Oca receives the waters of the river Matapán and the streams Valsorda and Penches, while on the left it receives the waters of the rivers Cerratón, Anguilas and Homino, and the streams Valdazo and Hoyo.
See also
*
Province of Burgos
The province of Burgos is a Provinces of Spain, province of northern Spain, in the northeastern part of the Autonomous communities of Spain, autonomous community of Castile-Leon, Castile and León. It is bordered by the provinces of Palencia (p ...
*
Montes de Oca (comarca)
*
Oca River, Biscay
References
Ebro's Water Planning Office{{Reflist
Rivers of Spain
Ebro basin
Rivers of Burgos
Rivers of Castile and León