Under the growing interests in forest resources and the demands for the consolidation of manifold forests, applicability of the GIS techniques for the multipurpose resource management was discussed from the viewpoint of the database construction on resource environmental information, which was based on the watershed management. A system integrated the watershed resource information based on the public administrative data and the forest register concerned with forest resource information was considered. The usage of national census data was discussed on the case of Shimanto Forest Planning District. The information system integrated the watershed resource information and the forest register was proposed at Umaji.