Below are some interesting links:
- RWS (teaching materials RWS (Rijkswaterstaat)
- RDNAP (Geometric Infrastructure Netherlands)
- PSMSL (Permanent Service for Mean Sea Level)
- EduGIS (Educational GIS-portal)
- GeoFort (Educational Attraction)
- Watereducatie (water education)
- (AHN) (current elevation data of the Netherlands)
- Our Water (educational projects)
- Guidor (Guides organization)