Cofio River is a

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of Alberche River,

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

. Featuring a total length of 51 km, it drains a basin area of 638.2 km².

References

;Informational notes ;Citations Rivers of Spain Rivers of Castile and León Rivers of the Community of Madrid Tagus basin Tributaries of the Alberche {{Spain-river-stub