This lecture explores the eco-morphology of fluvial areas, focusing on the Geneva and Thiele rivers. It covers the geographical and hydrological context, historical background, restoration projects, constraints, and the comparison of different restoration approaches. The presentation delves into the challenges faced, such as flood risks, ecological deficits, and the need for revitalization. It discusses the impact of human activities on water quality, biodiversity, and landscape improvement. The lecture also highlights the evolution of riverbeds, ecological assessments, and proposals for enhancing watercourses. Various restoration projects and their outcomes are analyzed, emphasizing the importance of balancing infrastructure development with ecological conservation.