In recent years, Japan has achived the advanced information society. Though the amount of available information has increased only in urban areas, it is not enough for both regidents and visitors in rural areas. Additionally, it is impossible especially for vititors to obtain more detailed local information, when they firstly visit rural areas. Therefore, this study aims to develop a Web-GIS (Geopgraphic Information Systsmes) specially tailored to the efficient accumulation and sharing of local information by residents and visitors. The web-GIS is a geographic information systm which integrates Web-GIS,·SNS(Social Networking Service)·and Twitter in a single system. The Web-GIS is conducted in Otsuki city in Yamanashi Prefecure, and evaluated based on a questionnaire survey to users and an analysis of log data during operation.
