USGS - science for a changing world



(Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)

HydroSHEDS is a mapping product that provides hydrographic information for regional and global-scale applications in a consistent format. It offers a suite of geo-referenced data sets (vector and raster) at various scales, including river networks, watershed boundaries, drainage directions, and flow accumulations. HydroSHEDS is based on high-resolution elevation data obtained during a Space Shuttle flight for NASA's Shuttle Radar Topography Mission (SRTM).

HydroSHEDS Amazon
Detailed River Network (click to zoom)

blue line

World Graphic
Interactive Map (click to start animation)

HydroSHEDS has been developed by the Conservation Science Program of World Wildlife Fund (WWF). Please visit their website at for general information.

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Page Last Modified: September 06, 2010