赤坂川支川

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赤坂川支川 flows into 赤坂川 , which it joins at N 34° 23′ 24″, E 132° 50′ 48″ at OSM node n751465578, and there 2 km of total upstream flows in. load it's distributaries

赤坂川支川 has 1 tributaries.

• (unnamed), which joins it at N 34° 23′ 39″, E 132° 50′ 37″ at OSM node n751725987, and 447 m of total upstream flows in.
load it's tributaries