The paper summaizes the natural environment, topography, landforms, geology,hydrology and meteo-rology for MaHuiNing Oil Pipeline located at the loess plateau.

• 对马惠宁输油管道所处黄土高原的自然环境、地形、地貌、地质、水文气象和管道所遭受的水毁灾害类型进行了总结。