Being the 4th largest in the Iberian Peninsula, the watershed of the Guadiana river, covers a total area of 66 800 Km2, of which 11 580 km2 (17%) are located in Portugal.
Along this path by Lusitanian Lands, where the blue of its quiet waters, is mixed with the golden of beautiful Alentejo plains, there are lots of hidden secrets, waiting to be discovered by anyone who dares to venture into the always inviting and captivating Alentejo.
Remember: the best of Alentejo is hidden.
To join this aventure, you only need an account in www.Geocaching.com and a GeoTour passport.