The aim of observation is to predict Soil Erosion on Upstream of Kelekar River Prabumulih, South Sumatra. The Soil analysis was measured in the field and in Physical Laboratory and Chemical Laboratory of Agriculture Faculty Sriwijaya University Indralaya Campuss. The research started from September till November 2004. The method used was a survey method using a map of 1 : 100.000 scale. Soil sa…