The old farm Montserrat was built around 1920. It was one of the most advanced farms in Catalonia, for irrigation systems, such as by the procedures used for harvesting and animal husbandry, as for social benefits for its inhabitants and workers at the end that has a pool, something strange at the time.
In the late 40s became a family owned Hotel Ritz Barcelona, until the mid-90s was abandoned, presenting such a precarious condition. The farm was used for years to supply fruit, vegetables, and poultry at the Ritz Hotel.
Next to the farm there are the old stables and warehouses on one side and the pool to the other. And around all the buildings, there is an extensive green area full of trees and vegetation.
It is said that the chickens run wild for Vallbona are the offspring of hens poultry farm Ritz that were released before its closure.
Today is municipal property, and is claimed by the neighbors as a municipal facility for environmental education.