The famous Rio Tinto river in Spain is known for its reddish-tinted water which gets its color from the high amounts of iron in it; the area has been mined for thousands of years for its valuable metals but is now also a site explored by biologists and astronomers.

A famous river in Spain that flows with reddish water continues to have historical and scientific significance.

The Rio Tinto is often noted as the site where the Copper Age and Bronze Age likely began, with the first mines in the area being established around 3,000 B.C. 

Stories about the valuable gold and silver being found there attracted various groups throughout history including the Romans and the Moors. 

In fact, it is the iron f