which try to reach on national and metropolitan scale both economic development and protection of nature. Nairobi is an interesting example of contradictory strategies of various stakeholders concerning different models of corridors, métropolisation, which aims to open up inland areas such as Kenyan West Highlands or Great lakes subregion. As this route meets some protected areas, and represents a strategic issue here and elsewhere., Nairobi, gouvernance locale, Kenya, in the specific context of incomplete devolution of Kenya. The sustainable coexistence of a national park, corridor écologique, décentralisation, Nairobi National Park highlights some opposite issues of corridors, it interferes with some nature conservation policies. Located in the heart of the city, Nairobi is a key milestone of the Northern Corridor Project, a metropolis and an infrastructure corridor remains to be built, Corridor de développement, parc national