This case study examined (1) how an art project can change citizens’ perception of the local landscape and (2) how it can promote citizen participations. In Suttsu city which is famous for windy area, the windmill art project was held with inhabitants. Using mail-back questionnaire (n = 138), inhabitants’ landscape recognition and their willing to participate in this activity were examined. The result comparing the art event participants and non-participant observers showed their different landscape recognition. However, their individual evaluations of the landscape with windmills showed a great variation that were connected with their appreciation for the art project and with motivation to participate in community activities. The research findings suggest the potentiality of art projects, which can be enhanced through discussions with a wide range of people from the planning stage.