The Openhi.net geographic information adheres to the Inspire Directive and offers freely the following layers:
- Surface waters
- Main Watercourses
- River Basins
- Drainage Basins
- Station Basins
- Watercourse Links
- Hydro nodes
The system provides Web Map Services, WΜS and Web Feature Services WFS according to the Open Geospatial Consortium (OGC) from the following address:
https://system.openhi.net/cgi-bin/mapserv?map=/opt/enhydris-openhi/enhydris-openhigis/mapserver/openhigis.map