PT Priamanaya Energi is one of the mining companies located in South Sumatra. PT Priamanaya Energi in carrying out its mining activities uses an open pit mining system (strip mining). This research focuses on the lowwall slope of Pit PE at PT Priamanaya Energi which experienced a landslide in November 2024. The landslide location was caused by excavation carried out at an angle of 25°-35°, wh…