New WaterwayMap.org maps! Big Thick Rivers, in map form! The more upstreams a river has, the thicker the line on that map. It's the standard “Natural Waterways (downhills)” view, but *BETTER*.
explore it here: https://waterwaymap.org/#map=3.33/43.56/10.34&tiles=planet-grouped-ends
#OSM #OpenStreetMap #WaterwayMapOrg #gischat #waterway #hydrology #rivers