ハルコマ川

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ハルコマ川 flows into the sea: 3 km flows in at N 41° 42′ 28″, E 140° 31′ 57″ at OSM node n1444447759.

ハルコマ川 has 1 tributaries.

• サラキ川, which joins it at N 41° 42′ 34″, E 140° 31′ 51″ at OSM node n1452313025, and 1 km of total upstream flows in.
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