MONTEFRIO, a town of southern Spain, in the province of Granada, on the river Bilano. Pop. (1900), 10,725. Montefrio is largely Moorish in character, and dominated by a Moorish castle. Being built midway between the Sierra de Priego and Sierra Parapanda, and commanding the open valley between these ranges, it became one of the chief frontier fortresses of the Moors in the 15th century. Its industries include manufactures of cotton stuffs, alcohol and soap.