In recent years, river space is attracting attention as a lively place in outdoor public space. The objective of this study is to clarify the actual state of citizen participation and citizen activities at the planning stage of river and city development project. We conducted a questionnaire survey targeting all municipalities registered in river and city development project. As a result of investigation, we revealed following point; 1) Citizen participation from the planning stage and its continuation lead to activities with diversity, 2) There are differences in civic participation and civic activities depending on the size of the city.
