The document summarizes the Water, Climate and Development Programme in Africa (WACDEP) implemented by the Global Water Partnership (GWP) in Africa. WACDEP supports the integration of water security and climate resilience in development planning and decision making processes through four components: 1) investments in regional and national development, 2) demonstration local projects, 3) capacity development and knowledge awareness, and 4) partnerships and sustainability. It delivers on these components by supporting regional cooperation, national development plans, no/low regret investments, project preparation and financing, innovative local solutions, and building institutional capacity. Progress to date includes activities in transboundary basins, national adaptation processes, identifying investments, and developing capacities. Lessons learned emphasize early