huemaps.com河流
世界上的每一条河流，按其汇水面积显示大小。
以十二种语言发布
River network: HydroSHEDS HydroRIVERS v1.0 and HydroBASINS v1.c, © World Wildlife Fund, Inc. Lehner, B., Grill, G. (2013): Global river hydrography and network routing: baseline data and new approaches to study the world’s large river systems. Hydrological Processes 27(15): 2171–2186. hydrosheds.org. Watercourses: © OpenStreetMap contributors.