It was during the period after the Spanish Civil War that the second renovation began. A system of sustainable energy self-sufficiency was established, and the church and escape tunnels were built, which to this day have not been found.
Its location captures the sun’s rays to supply all the rooms with solar energy during the day and at night the wood-burning fireplaces were used as a heating system. Electricity was obtained hydraulically thanks to the Torrent d’Angelats and water for human and animal consumption was extracted from the mountain’s internal springs.
They also had their own livestock farm and a fish farm that supplied the family with food.