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El Trull CV

Exterior view of the industrial building El Trull CV for olive-  oil production in Les Garrigues, Catalonia

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El Trull CV

El Trull CV is an ecological oil mill located in the Catalan region of Les Garrigues—one of the most sparsely populated areas in the country. The project aims to generate new employment opportunities through the production of organic olive oil using an innovative industrial system, in a building designed and built according to ecological and sustainable principles.

Aerial view of the industrial building El Trull CV for olive oil production in Les Garrigues, Catalonia

The chosen site, a series of disused terraces with deteriorated stone walls, was transformed through two complementary strategies. First, 90% of the building is semi-buried, adapting to the existing terraces and reusing the old stone walls as façades. In doing so, the project integrates with the topography and the area’s agricultural logic, while green roofs with native flora and olive trees help restore the landscape.

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Interior of the work area of the industrial building El Trull CV in Les Garrigues, CataloniaInterior of the work area of the industrial building El Trull CV in Les Garrigues, Catalonia

The only visible volume—the reception pavilion—sits at the top of the hill between two rock formations. With its organic geometry and lightweight construction, the space becomes a discreet landmark that responds to the site’s morphology without imposing on it.

Exterior view of the industrial building El Trull CV for olive oil production in Les Garrigues, Catalonia
Exterior view of the industrial building El Trull CV for olive oil production in Les Garrigues, Catalonia

The use of locally sourced natural materials was key. All the stone used in the walls comes from the excavation itself, as does the soil for the green roofs. This reuse not only reduces the environmental impact of the construction, but also strengthens the building’s connection to its immediate surroundings.

Interior of of the olive oil production area of the industrial building El Trull CV in Les Garrigues, Catalonia
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Construction process of the industrial building El Trull CV with excavations on the rock in Les Garrigues, Catalonia-Construction process of the industrial building El Trull CV with excavations on the rock in Les Garrigues, CataloniaConstruction process of the industrial building El Trull CV with excavations on the rock in Les Garrigues, Catalonia
Exterior view of the industrial building El Trull CV for olive oil production in Les Garrigues, Catalonia

By exposing the rock and taking advantage of its thermal mass, the interior maintains a stable temperature of 18 °C year-round, greatly reducing the need for active cooling. As a result, the project ensures optimal conditions for olive oil production, combining energy efficiency, sustainability, and a strong sense of place.

Project
El Trull CV
Year
2023
Location
Les Garrigues
Programme
Facility
Área
2452 m2
Authors
Josep Ma. Alventosa, Marc Alventosa, Xavier Morell
Team
Joana Tril, Néstor Morro (arquitectura i delineació), Marga Bernadó (control d’execució d’obra i coordinació de seguretat i salut), Masala Consultors (càlcul estructural), De Buena Planta (paisatgisme), Mi Engineering (càlcul d’instal·lacions generals), Satius Enginyeria (càlcul d’instal·lacions de producció), Valeri Laguna (redacció de l’estudi d’impacte ambiental)
Adrià Goula
Awards
Bonaplata 2025, winner of Award for New Industrial Work and the Industrial Landscape Award.
DNA Paris 2024, winner
AEMO 2026 for the Best Oil Mill in Spain
El Trull CV | Ecological Olive Mill in Catalonia | Alventosa Morell Arquitectes