Aims and overview : slopes, geology, and materials -- Basic geotechnical concepts -- Performance indicators and basic probability concepts -- Limit equilibrium methods I : planar failure surfaces -- Limit equilibrium methods II : slip surfaces and beyond critical equilibrium -- Stress-deformation analyses and their role in slope analysis -- Natural slope analysis considering initial stresses -- Plasticity and shear band analyses : a brief review -- Earthquake effects and seismic slope analysis -- Probabilistic approaches and reliability analyses -- Case study of urban slope stability -- Summing up.