吉岡川

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吉岡川 flows into 利根川 , which it joins at N 36° 25′ 48″, E 139° 2′ 0″ at OSM node n759216117, and there 3,140 km of total upstream flows in. load it's distributaries

吉岡川 has 2 tributaries.

• 自害沢川, which joins it at N 36° 26′ 51″, E 139° 0′ 17″ at OSM node n759400772, and 12 km of total upstream flows in.
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• 駒寄川, which joins it at N 36° 26′ 13″, E 139° 1′ 52″ at OSM node n759303863, and 5 km of total upstream flows in.
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