Water in OSM

Some notes on water, especially as a spatial research area and as mapped in OSM.

• The WaterWayMap project: https://waterwaymap.org/
• "Overpass and waterways" in Carto'Cité's Diary, Blog post translated FR>EN) (original (FR))
• March 22, 2025 was World Water Day.

See also this entry about "data quality of the river network in Switzerland".