半道川

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半道川 flows into 板取川 , which it joins at N 35° 34′ 53″, E 136° 52′ 20″ at OSM node n726075892, and there 135 km of total upstream flows in. load it's distributaries

半道川 has 6 tributaries.

• (unnamed), which joins it at N 35° 33′ 48″, E 136° 51′ 16″ at OSM node n725940714, and 1 km of total upstream flows in.
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• (unnamed), which joins it at N 35° 33′ 35″, E 136° 51′ 5″ at OSM node n726381536, and 303 m of total upstream flows in.
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• (unnamed), which joins it at N 35° 33′ 49″, E 136° 51′ 18″ at OSM node n726032478, and 206 m of total upstream flows in.
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• (unnamed), which joins it at N 35° 33′ 52″, E 136° 51′ 18″ at OSM node n726035584, and 191 m of total upstream flows in.
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• 矢洞谷, which joins it at N 35° 33′ 58″, E 136° 51′ 19″ at OSM node n725951058, and 189 m of total upstream flows in.
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• (unnamed), which joins it at N 35° 33′ 59″, E 136° 51′ 21″ at OSM node n725920322, and 133 m of total upstream flows in.
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