Abstarct: In recent years, with the development of remote sensing technology and geographic information system and the application of this method in various sciences, groundwater is not isolated and in surface hydrophilic and subsurface water hydrology, in identifying areas with potential water resources Underground has been used extensively. The study area in the west and northwest of Shahrud covers an area of 480 km2. In this region, due to carbonate rocks, as well as erosion and tectonic forces in parts of the region, formed relatively well aquifers. In this research, using remote sensing and GIS, the potential and evaluation of water resources in hard formations has been done. For this purpose, a digital elevation model was used to prepare the slope, direction of slope and drainage. The basic geological map of the region was prepared using a geological map with a scale of 1 to 100,000 Shahrud. Then, using Landsat 8 satellite imagery, the lineaments were extracted and mapped to geological map. The information laxyers including faults, lithology, slope, slope directions, drainage, rainfall and rainfall types were weighted by two methods: Hierarchical analysis (AHP) and simple cumulative ranking (SAW). In the information system environment Geographically ovelayed and categorized into three weak, good and excellent categories. The final map was validated with wells in the area, springs and electric sounding in the region And the results showed that hierarchical analysis has a higher credibility. In a simple cumulative ranking method, there is a greater limitation for zoning, and only about 21% of the area with good potential capability is identified. While in the hierarchical approach, about 40% of the region has good potential for groundwater potential, and this method has less Limitations than simple cumulative ranking method. It was also observed that the groundwater potential map was mainly controlled by the factors of precipitation, lithology and density of the lineaments. Lar and Cretaceous formations in an area of approximately 180 km2, which include 37% of the area, They have a high potential for underground water. These formations are characterized by calcite lithology and high solubility and include high potential for formation of karstic aquifers. Also, areas with high drainage density in the region have increased the penetration and porosity of the area and have created a suitable bed for feeding the hard formations of the region.