A 20-Square-Meter Boulder-Shaped Cabin That Blends Right Into The Pyrenees - Yanko Design
Briefly

A 20-Square-Meter Boulder-Shaped Cabin That Blends Right Into The Pyrenees - Yanko Design
"High in the Pyrenees, where forests, rock, and weather dictate their own quiet rules, Forestone Cabin appears less like a building and more like a geological event. At just 20 square meters, this experimental wooden dwelling does not announce itself as architecture in the conventional sense. Instead, it feels as though it has always been there, something solid that rolled down the mountain long before anyone thought to give it a name."
"Designed and built by the 2025 cohort of the Master's in Ecological Architecture and Advanced Construction at IAAC - Institute of Advanced Architecture of Catalonia, Forestone Cabin is part of the Bio for Piri initiative, led by Fundació Catalunya La Pedrera and funded by the Biodiversity Foundation through European Next Generation funds. The project champions regenerative forestry and the intelligent use of local timber sourced from Pyrenean forests in Alinyà, Lleida, an ambition that is embedded into every layer of the cabin."
"Formally, the cabin takes its cues directly from the landscape. Its faceted geometry, composed of inclined walls and a sloping roof, responds to solar exposure, climatic conditions, and internal program, subtly shaping how the interior is experienced. Ceiling heights shift almost imperceptibly to define zones, while precisely positioned openings frame views of the Pyrenean mountains and allow cross ventilation. At night, operable wooden shutters seal the cabin into complete darkness, eliminating light pollution and supporting the site's astronomical activities."
Forestone Cabin occupies a sloping site high in the Pyrenees and measures 20 square meters. The 2025 IAAC cohort designed and built the cabin as part of the Bio for Piri initiative, led by Fundació Catalunya La Pedrera and funded by the Biodiversity Foundation through European Next Generation funds. The design prioritizes regenerative forestry and uses local timber from Pyrenean forests in Alinyà, Lleida. Installed at MónNatura Sort near a mountain hostel, the cabin fits two people and compresses a sleeping area, workspace, and bathroom. Faceted geometry, shifting ceiling heights, precise openings, and operable wooden shutters respond to climate, views, ventilation, and astronomical needs.
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