In this study, we conducted a survey on play park by interviewing three groups that have organized play park activities at urban parks in the Kansai region, in order to find conditions to be required for the implementation of play park activities at urban parks and how they affect the invigoration of city parks. The results showed; 1 The cooperative relations with museums or other citizen groups such as a park cooperative, which could serve as a bridge between administrative authorities and local residents, were quite useful for play park activities at urban parks. 2 The effects to be brought by those play park activities in terms of the urban park invigoration included; the development of urban parks as a core center for local activities, the promotion of local activities, the encouragement for the residents to utilize existing facilities and set up new facilities in urban parks, the active usage of the overall urban parks in the region, and the creation of a new design to be proposed.
