ポノボリ沢川

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ポノボリ沢川 flows into 相沼内川 , which it joins at N 42° 6′ 18″, E 140° 7′ 44″ at OSM node n1452671934, and there 19 km of total upstream flows in. load it's distributaries

ポノボリ沢川 has 1 tributaries.

• (unnamed), which joins it at N 42° 7′ 34″, E 140° 7′ 29″ at OSM node n1452689543, and 683 m of total upstream flows in.
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