Agustín de Riancho Gómez de la Mora was a Spanish painter known for his landscape paintings. He began his training in Santander and later studied at the School of Fine Arts of San Fernando in Madrid. Riancho received recognition early in his career and continued his training in Antwerp and Brussels, where he was influenced by the Barbizon School. He settled in Entrambasmestas in 1901 and focused on mountain landscapes, evolving his style towards more personal forms with a dense palette and impressionist techniques. His works are preserved in various institutions and private collections, solidifying his reputation as one of the great Spanish landscape painters of the 19th and 20th centuries.