Col d'Ares or Coll d'Ares is a mountain pass in the Pyrenees on the border between France and Spain.It connects Prats-de-Mollo in France with Molló in Catalonia, Spain.HistoryIn 1691, during the Nine Years' War, the Spanish passed through the Col d'Ares to try taking Prats-de-Mollo, without success.