On the foundations of the Tannery Carrion, inside the lands of the Casa-Quinta Simoni, The Quintica, a place full with memories was built. The present article shows the necessity to preserve this property and to integrate it to the Museum Quinta Simoni, what implies to intervene its green areas and to rehabilitate them so that they strengthen the conservation of the Museum. The structured observation supported with photos, the interview method; the content analysis and the descriptive statistic give a design that can be elaborated in one of the phases of the sustainable conservation of the Museum Quinta Simoni, as a result through the rehabilitation and studies of compatibility that allow to incorporate technical and modern materials, as well as the recovery of the green areas and a coherent change-of-use study, coherent with their history and with the context.