Arlanzón (river)

Arlanzón
The river at Burgos
Course of the Arlanzon.
Native nameRío Arlanzón (Spanish)
Location
CountrySpain
RegionCastile and León
Physical characteristics
MouthArlanza
 • coordinates
42°06′30″N 4°09′54″W / 42.1084°N 4.1649°W / 42.1084; -4.1649
Length131.11 km (81.47 mi)
Basin features
Tributaries 
 • leftAusines
 • rightVena, Ubierna and Úrbel

The River Arlanzón is a river in northern Spain. Its source is near the southern slope of the Pico San Millán 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.