Banjar Regency is an area that has extensive critical land compared to several districts in South Kalimantan. This can be seen from the results of the critical land inventory in BPDAS Barito, there is a critical area of 112.57 hectares. One area that needs attention is the mandikaleng catchment area (DTA). The mandikaleng DTA has an area of 606.52 Ha, which has quite complex problems as seen from the decrease in land productivity and is included in the first priority priority catchment area, namely the Martapura watershed. Identifying land cover, analyzing the rate of erosion, determining the level of erosion hazard in the Mandikaleng DTA, Karang Intan District, Banjar Regency, making recommendations for soil conservation based on erosion hazard levels to control erosion that occurs in the Mandikaleng catchment, Karang intan district, Banjar Regency. The results of land cover object segmentation classification show that the classification level with scale level 30 values, and merge level 90 is able to separate the object of classification of land cover properly.