Cubillas de Rueda, located in the province of León, Spain, was once an important Roman mining site, known for its abundant iron ore deposits.

The municipality's territory spans 88.92 square kilometers, characterized by a mountainous landscape and crossed by the Porma and Esla rivers.

As of 2023, Cubillas de Rueda has a population of 515 inhabitants, reflecting a gradual decline in population over the past decades.

The local economy is primarily supported by mining, agriculture, and livestock farming, with a recent focus on industrial development.

Cubillas de Rueda boasts a rich cultural heritage, including the 16th-century Romanesque Church of Santa María Magdalena, renowned for its well-preserved frescoes.

The municipality is home to the Iron and Steel Museum, showcasing the historical significance of mining in the region.

Cubillas de Rueda is known for its traditional festivals, such as the Fiesta de San Isidro Labrador, celebrating the patron saint of farmers, and the Fiesta del Santo Ángel, featuring a lively procession.

Despite its small size, Cubillas de Rueda holds a notable place in Spanish history, having been involved in the Carlist Wars of the 19th century.

The municipality is part of the Montaña Central Leonesa region, a unique cultural and geographical area with its own distinct traditions and customs.

Cubillas de Rueda is not directly home to any UNESCO World Heritage Sites, but it is situated in close proximity to several important sites, such as the Roman city of Astorga and the Las Médulas gold mines.

The municipality has played a role in scientific contributions, particularly in the field of geology and mining engineering, due to its rich mineral resources.

Cubillas de Rueda is committed to sustainable development and has implemented measures to preserve its natural environment and cultural heritage.

The municipality fosters a strong sense of community and cultural identity, reflected in its ongoing efforts to revitalize local traditions and promote social cohesion.

Cubillas de Rueda is actively involved in inter-municipal cooperation and regional development initiatives, working alongside neighboring municipalities to address common challenges and promote economic growth.

The municipality's strategic location within the province of León and its proximity to major transportation routes contribute to its economic potential and accessibility.