The ¿Morro¿ of Moravia is a hill formed from solid waste disposal in an uncontrolled waste landfill in the city of Medellin, Colombia. The settlement was established in 80s, an ever since has been dedicated to informal recycling of the accumulated waste thus creating a serious environmental and social conflict due to the severe environmental degradation, urban crowding and the inexistent leachate management. This paper will present the Urban and Environmental Recovery Plan for which started in 2005, based on Integrated Watershed Urban Management, and will focus into the technical and environmental aspects. The project is a reference to local and international level, as it addresses the existing problems from a multi-disciplinary vision, involving urbanaspects, environmental restoration and social participation. The project involved various organizations in Spain and Colombia, universities, governments, local community, international aid agencies and professionals from different areas The first demonstration plant to treat leachate and runoff using sustainable technologies: buffer strips and constructed wetlands, as well as the first community flower garden, were finished at the end of 2010; bothhave been part of the proposal to incorporate the participation of communities, trough the training of a group of community leaders,in the process of transformation andenvironmental restoration, as well as the improvement of life quality in the ¿Morro¿.