要助谷川

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要助谷川 flows into 左向谷川 , which it joins at N 33° 45′ 33″, E 135° 23′ 52″ at OSM node n10225293426, and there 5 km of total upstream flows in. load it's distributaries

要助谷川 has 1 tributaries.

• (unnamed), which joins it at N 33° 45′ 49″, E 135° 24′ 3″ at OSM node n974471683, and 248 m of total upstream flows in.
load it's tributaries