古山川

This area: WaterwayMap main osm.org edit in josm JOSM isn't running... edit in josm (new layer) JOSM isn't running... edit in iD geo: url (open on mobile)

古山川 flows into 由仁川 , which it joins at N 42° 58′ 39″, E 141° 48′ 9″ at OSM node n1463331738, and there 19 km of total upstream flows in. load it's distributaries

古山川 has 0 tributaries.