One of the geothermal systems in Riau is in Pawan Village, Rokan Hulu District. The geothermal system is stored in rocks beneath the earth's surface, so it is necessary to identify the subsurface lithology. The purpose of this study is to analyze the subsurface resistivity value and identify the lithology of rock layers in the Pawan Hot Spring Tourist attraction. The method used is Geoelect…