Rio Tinto Show options Hide options Additional options Avoid highways Avoid tolls KM Miles Get Directions Print Directions This unusual river is very acidic and red in colour due to dissolved iron. There is also a mine down there. More info here. Name: Rio Tinto Lat, Long: 37.703601,-6.603344 Location: Minas de Riotinto, Huelva, Spain October 19, 2013 Weird Mining No Comment Open-pit mining Canso Crash Site Church that Looks Like a Penis Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment * * Yes, add me to your mailing list. Notify me of follow-up comments by email. Notify me of new posts by email.