Pedernales, Buenos AiresPedernales is a town located in the Veinticinco de Mayo Partido in the province of Buenos Aires, Argentina.GeographyPedernales is located from the city of Buenos Aires.HistoryThe town was named after a lagoon discovered by an expedition led by Félix de Azara, a Spanish general. The town grew rapidly following the arrival of passenger rail service. During this time, Pedernales would begin to overtake the population and importance of the nearby village of Ernestina. Passenger rail service would end in the 1990s, and in 2016, cargo service also ended and the station fell into disuse.PopulationAccording to INDEC, which collects population data for the country, the town had a population of 1,369 people as of the 2001 census.