Leaflet.org

The WaterwayMap is a visually beautiful interactive map that uses OpenStreetMap data to visualize the structure and flow of rivers around the world.At its core, WaterwayMap utilizes the directional data of waterways recorded in OpenStreetMap (OSM). In OSM, waterways are represented as ways – ordered lists of nodes that indicate the sequence and direction of flow. WWM uses this Maps Mania… more →