Land surface temperature (LST) anomalies where the temperatures are higher than the background can be used to detect areas with high potential of geothermal resource. This paper focused on mapping the variability of geothermal resource through a combination of Thermal infrared remote sensing (TIR) and borehole data with temperature logging in Hokkaido Island, northern Japan. The result showed that that the zones with the highest geothermal potential in Hokkaido Island are located in the volcanic areas. Moreover, similarity between the distributions of LST and the temperature at a great depth was identified.