Museu del Ciment: The Industrial Cathedral of the Pyrenees

The Asland cement factory was founded by Eusebi Güell, the wealthy industrialist who was Antoni Gaudí's principal patron. Güell recognised the potential of the Llobregat valley: abundant limestone, coal from nearby mines, hydroelectric power from the river, and the new railway connecting the region to Barcelona. These factors made it ideal for producing Portland cement, the modern building material revolutionising construction across Europe.

The name "Asland" derives from "Asland Portland Cement Company," reflecting the British dominance of the cement industry at the time. Güell hired engineers and architects familiar with the latest industrial techniques, resulting in a factory that was both functional and aesthetically impressive.

The factory building is a masterpiece of Modernist industrial architecture. Its defining feature is a vast interior space spanned by parabolic arches built of brick—a structural form that Gaudí and his contemporaries favoured for its efficiency and beauty. These arches create a cathedral-like nave, flooded with light from large windows and reaching skyward with an almost spiritual grandeur.

The design was attributed to collaborators of Rafael Guastavino, a Catalan architect who emigrated to the United States and became famous for his vaulting techniques (used in New York landmarks such as Grand Central Terminal and Carnegie Hall). The Asland factory represents the same philosophy: industrial function elevated through architectural ambition.

The exterior presents an imposing facade of stone and brick, with tall chimneys that once belched smoke and steam. Today, these chimneys stand silent, monuments to the age of coal and heavy industry.

The factory was the centre of a self-contained industrial colony, a social model common in Catalonia from the mid-19th to mid-20th centuries. Güell built housing for workers and their families, a school, a church, a company store and recreational facilities. Workers and management formed a hierarchical but interdependent community, isolated from outside society.

Working conditions were harsh: 12-hour shifts, exposure to cement dust (causing respiratory diseases), and constant noise. Yet for many rural Catalans, factory work offered a steady wage, housing and education for their children—benefits unavailable in subsistence farming. The social dynamics of these colonies—paternalism, worker solidarity, strikes and repression—are a key chapter in Catalan labour history.

The Cement Museum opened in 1999, transforming the abandoned factory into an interpretive centre. The permanent exhibition explains the cement production process, from quarrying limestone and burning it in kilns to grinding the resulting clinker into the fine powder we know as cement. Original machinery, including massive grinding mills and kilns, has been preserved in situ, allowing visitors to grasp the scale and complexity of industrial production.

Interactive displays cover the social history of the workers, with photographs, personal testimonies and reconstructions of colony life. Video installations and audiovisual projections bring the factory's heyday to life, with sounds and images of clanging machinery, shouting foremen and the roar of furnaces.

Special exhibitions explore themes such as industrial architecture, labour movements and the environmental impact of cement production. The museum also houses archives and research facilities, making it a centre for industrial heritage studies.

The museum is connected to La Pobla de Lillet by the Tren del Ciment (Cement Train), a heritage railway running on the original narrow-gauge tracks used to transport limestone from the quarry to the factory. The scenic journey passes through tunnels, over viaducts and alongside the river, offering spectacular views of the Pyrenean landscape. The train operates mainly on weekends and during summer.

Nearby, the Sources of the Llobregat at Castellar de n'Hug mark the birthplace of one of Catalonia's major rivers. The village itself is a charming example of mountain architecture, with stone houses and slate roofs. Hiking trails from Castellar ascend to high pastures and viewpoints in the Cadí-Moixeró Natural Park.

The Museu del Ciment is located approximately 35 km from La Tor de Montclar, a 35-minute drive via the C-16 and then a minor road to Castellar de n'Hug. The museum is open weekends year-round and daily during summer; check the website for exact times and any seasonal closures.

Admission includes access to the factory building, exhibitions and audiovisual presentations. Guided tours (in Catalan and Spanish; English on request) provide deeper insight into the site's history and technology. The visit typically lasts 1.5 to 2 hours. There is a café and a shop selling books and local products.

The site is suitable for all ages, though young children may find some industrial machinery displays less engaging. Combine your visit with the Cement Train ride and a walk to the sources of the Llobregat for a full day of industrial and natural heritage.