上黒尾川

上黒尾川 is 6 km long, and has a stream level of 1.

Map of 上黒尾川

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It has 1 side channels.

上黒尾川 flows into 那珂川 , which it joins at N 37° 2′ 40″, E 139° 58′ 36″ at OSM node n758773877, and there 135 km of total upstream flows in.

上黒尾川 has 5 tributaries.

高野沢川, which joins it at N 37° 3′ 3″, E 139° 58′ 20″ at OSM node n758799736, and 9 km of total upstream flows in.

(unnamed), which joins it at N 37° 3′ 46″, E 139° 57′ 54″ at OSM node n758931709, and 4 km of total upstream flows in.

(unnamed), which joins it at N 37° 4′ 47″, E 139° 57′ 24″ at OSM node n759200343, and 1 km of total upstream flows in.

(unnamed), which joins it at N 37° 5′ 4″, E 139° 57′ 23″ at OSM node n759116292, and 820 m of total upstream flows in.

(unnamed), which joins it at N 37° 4′ 40″, E 139° 57′ 20″ at OSM node n5948886679, and 309 m of total upstream flows in.