岩井谷川

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岩井谷川 flows into 銚子川 , which it joins at N 34° 8′ 25″, E 136° 9′ 52″ at OSM node n734311698, and there 29 km of total upstream flows in. load it's distributaries

岩井谷川 has 3 tributaries.

• (unnamed), which joins it at N 34° 9′ 25″, E 136° 9′ 29″ at OSM node n734749075, and 1 km of total upstream flows in.
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• (unnamed), which joins it at N 34° 9′ 56″, E 136° 9′ 25″ at OSM node n734238104, and 1 km of total upstream flows in.
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• (unnamed), which joins it at N 34° 9′ 2″, E 136° 9′ 45″ at OSM node n734573855, and 1 km of total upstream flows in.
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