洞川

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)

洞川 flows into 狩川 , which it joins at N 35° 17′ 50″, E 139° 7′ 58″ at OSM node n1047614785, and there 70 km of total upstream flows in. load it's distributaries

洞川 has 2 tributaries.

• 西堀沢, which joins it at N 35° 20′ 2″, E 139° 6′ 5″ at OSM node n4844806213, and 1 km of total upstream flows in.
load it's tributaries
• 若宮沢, which joins it at N 35° 20′ 16″, E 139° 5′ 59″ at OSM node n1047320338, and 664 m of total upstream flows in.
load it's tributaries