World Wildlife Fund / McGill University
HydroSHEDS / HydroRIVERS / HydroLAKES / HydroBASINS
Global hydrographic base layers derived from elevation data: river networks, drainage basins, lake polygons with volume and residence-time attributes, and reservoir inventories. Underpins most global basin-level analysis.
Rights
- Licence
- CC BY 4.0
- Commercial reuse
- Not clearly stated
- Redistribution
- Yes
- Derivative use
- Yes
- Attribution required
- YesData from World Wildlife Fund / McGill University, used under CC BY 4.0.
- Restrictions
- Licence terms vary by product version and by the underlying elevation data. Individual layers must be checked before redistribution.
- Terms last checked
- 23 August 2026
Access and coverage
- Publisher
- World Wildlife Fund / McGill University
- Website
- https://www.hydrosheds.org/
- Geographic coverage
- Global
- Resolution
- 3 arc-second to 30 arc-second
- Update frequency
- irregular
- Formats
- shapefile, geojson, netcdf
- Bulk download
- Available
- Registration required
- No
- Cost to Hydrionis
- Free
- Domains
- river flow, reservoir, resources