The purpose of this article is to evaluate accessibility of the residents in Iwate prefecture to gas stations and to analyze the effects of their closedown. Road distances between the residents and gas stations were calculated on GIS network analysis. The results show that the distances of half of residents to the nearest gas station are less than 1km, and that 18000 people travel over 10km to the nearest one. In conclusion, the effects of closedown of gas stations in the mountain area are greater than those in Kitakami Basin in terms of travel distances.
