City's green areas, mainly urban parks, are environmental systems what have a double role, social and ecological, and where is also possible also, to assess environmental sustainability conditions.
In this sense, we propose a indicators set to assess in integral way parque urbano Monte Calvario sustainability conditions in Tandil, Argentina. It was necessary firstly, to do a systemically characterization our study area. This task facilitated then, the central analyze variables identification. Theses variables were useful as a base line (indicators set) to assess and check park's sustaina-bility in the time. We hope theses goals made possible local decisions can be elaborated management strategies what keeping and maintaining in the time present o future sustainability conditions.