The
Tajuña (from the Latin
Tagonius) is a river in central
Spain, flowing through the provinces of
Guadalajara and
Madrid. It is a tributary of the river
Jarama which in turn is a tributary of the
Tagus. It rises in the
Sierra de Solorio, near the town of
Maranchón (Guadalajara), at a location known as
Fuente del Carro near the village of Clares.