(unnamed)

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(unnamed) flows into the sea: 33 km flows in at N 36° 9′ 43″, E 139° 56′ 36″ at OSM node n3737722006.

(unnamed) has 1 tributaries.

• 山川, which joins it at N 36° 9′ 52″, E 139° 56′ 23″ at OSM node n758476066, and 32 km of total upstream flows in.
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