These magnificent geographical and climatic conditions made this enclave an ideal place for human settlement, a clear example is the beautiful natural landscape of Sargal, inhabited from the Upper Palaeolithic, and adapted today for tourism and cultural uses.
There is also evidence of a dense occupation of this strategic territory during the Iberian period (archaeological remains of villages and a tower near the river). But it was not until the year 193 B.C. when Marco Poncio Catón "Old" founded on this place a town with the name of Belsino later the same Romans changed the name to Vivarium, which derives the present, because in all likelihood, to the construction in the natural setting of La Floresta a complex of nurseries for fish farming (hence the symbol of the fish that govern the heraldic shield of Viver).
On Islamic period meant the establishment of small self-sufficient farmsteads in this mountainous area, which will be conquered, around 1238, by the armies of King James I. On April 12, 1367, it is granted to Viver population charter, by Juan Alonso, where population is declared independent, being repopulated by Christian population.
Subsequently, this town is being inherited, returned to the King and finally sold to the Duke of Calabria, Viceroy of Valencia in 1537; on October 26, 1550 died the Duke, bequeathing his property to the monastery of San Miguel de los Reyes in Valencia, founded by him and the religious order of the minimum take possession of Viver until the end of the feudal regime in the nineteenth century .