Arlanzon
![](https://www.tagmyfish.com/wp-content/uploads/2024/10/river-missing-2-123rf.jpg)
Cypriniformes - Carps
The River Arlanzón is a 130 km long river in northern Spain. Its source is in the Sierra de la Demanda in the Province of Burgos. It is a tributary of the River Arlanza, joining the latter river at Quintana del Puente in the Province of Palencia.