The richness of natural resources and their use have been key in the transformation of the territory and the surrounding landscape to San Silvestre de Guzmán.
Water as a key resource for the development of the human community that has interacted with this medium, has been treated in an exemplary way taking into account the geostrategic situation of the enclave. The richness of the water is an obvious thing that is present here both in the groundwater bodies in the area of ​​the Atlantic basin and in the surface water starring the undisputed protagonist and vertebrate Guadiana River that; both he and his streams - which surround the population center of the municipality - have been masterfully channeled for livestock and agricultural use.
The presence of wells and watering holes in the surroundings of San Silvestre has a peculiarity that could not be understood without attending to the history that has shaped the territory in which we are. The powerful network of public wells and watering holes in some cases has water canalization techniques since the Middle Ages, all of them used to supply not only the local population but to a large extent the huge floating population that San Silvestre had as a place of He passed.