Real Fábrica de Gelo da Serra de Montejunto, Archaeological site of an 18th-century ice factory in Lamas e Cercal, Portugal
The Royal Ice Factory of Montejunto contains multiple water tanks at different levels and storage silos designed for ice production and preservation.
Built before 1741 by Dominican friars, the factory supplied ice to Lisbon until 1885, when industrial ice production methods arrived in Portugal.
The ice production process required cooperation between factory guards and local residents who helped break and transport ice blocks to storage silos.
Located 40 kilometers from Lisbon, the factory used natural winter conditions to freeze water in 44 shallow tanks arranged across the mountain slopes.
The factory stored ice blocks in cylindrical silos, protecting them with straw before transportation by donkeys and ox carts to boats heading to Lisbon.
Location: Lamas e Cercal
Website: http://cadavalcativa.pt/heritage/patrimonio-arqueologico/1/national-monument--royal-ice-factory-
GPS coordinates: 39.17788,-9.05043
Latest update: March 3, 2025 23:38
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