This study attempts to explore the local skaters' activity of appropriate skateboarding sites in public parks in Setagaya-ward in Tokyo. First, the author conduct the narrative interviews with 13 local skaters. According to results of the coding data, local skaters' group works has transformed from enjoyable to tiresome but inescapable. Second, the author used Karl E. Weick's model of “organizing” to examine the activity. The local skaters' behavior makes means and this can be divided into 3 different means. Since skaters have settled in a park, their everyday behavior reduces the mean-A which as moving tactics and increase the mean-B as settlement tactics. This result shows us that the local skaters can be autonomously cooperator of the park planning and management.
