The watershed of the Guadiana river, covers a total area of 66 800 Km2, of which 11 580 km2 (17%) are located in Portugal. The GeoTour have as main focus the Alentejo region and the respective watershed of the Guadiana. Being possible visit different places, all of them related with the best in culture, history, economy and landscape of Guadiana.
The following map shows the distribution and some details about all GeoTour geocaches.
In GeoTours official page you can consult and download the list of GeoTour geocaches: http://coord.info/GT492.