In a landscape evaluation of a large-scale facilities construction such as garbage disposal facilities, it is necessary to grasp landscape characteristics of the area that is able to observe object facilities. This landscape characteristic consists of both a geographical characteristic (landscape resources, public space, districts designated by various urban planing laws, etc.) and a visual characteristic (visibility / invisibility range, distance from the object). The facilities design with consideration for landscape requires a geographic information database for the landscape characteristic, which enable planners to share the geographic information in the area. Authors proposed Network-based Dynamic Evaluation Process for urban landscapes in CAADRIA98, and illustrated the need of the common place that shares geographic information in the process. The system has function to provide the information of the area with layered maps simply. However the system developed with HTML Layer Function, that has limited to update data and boolean operate of layers. For using the system for practical purposes, it should conduct a GIS lookup and report back, via HTML. On the other hand, at present, there are various analogue thematic maps, digital maps are not prepared enough for landscape evaluation. It causes that landscape design process is not efficient. Also, a potential (importance) of viewpoints for evaluating facilities design have been defined by qualitative analysis so far, therefore a quantitative comparison of viewpoints was not available. As a solution of those problems, authors are tackling the development of Geographic Information Database (GIDB) by using GIS. In this paper authors give an outline of GIDB composed of overlaying various digital thematic maps included visual characteristic of the facilities. As a case study, in construction of the garbage disposal facilities in Kumamoto city, the important viewpoints was extracted by GIDB.