(unnamed)

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(unnamed) flows into 堀川 , which it joins at N 35° 27′ 23″, E 133° 20′ 9″ at OSM node n749723689, and there 8 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 新開川, which joins it at N 35° 27′ 18″, E 133° 20′ 30″ at OSM node n9917457615, and 7 km of total upstream flows in.
load it's tributaries