River and Groundwater Basins of the World (WHYMAP RGWB)
River and Groundwater Basins of the World (WHYMAP RGWB) | Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)
The World-wide Hydrogeological Mapping and Assessment Programme (WHYMAP) provides data and information about the earth´s major groundwater resources. The River and Groundwater Basins Map shows the areal extent of the global groundwater and surface water basins.
The rivers layer can be downloaded from: