(unnamed)

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(unnamed) flows into the sea: 5 km flows in at N 35° 20′ 59″, E 136° 3′ 54″ at OSM node n971570109. (unnamed) has 2 distributaries.

• 安曇川 , which it joins at N 35° 20′ 56″, E 136° 1′ 2″ at OSM node n971448583, and 271 km of total upstream flows in. load it's distributaries
• 南川 , which it joins at N 35° 21′ 9″, E 136° 2′ 55″ at OSM node n971387523, and 275 m of total upstream flows in. load it's distributaries

(unnamed) has 0 tributaries.