安井谷川

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安井谷川 flows into 中山川 , which it joins at N 33° 52′ 30″, E 133° 3′ 19″ at OSM node n756425391, and there 138 km of total upstream flows in. load it's distributaries

安井谷川 has 1 tributaries.

• (unnamed), which joins it at N 33° 51′ 28″, E 133° 3′ 34″ at OSM node n756569894, and 910 m of total upstream flows in.
load it's tributaries