大井川

大井川 is 8 km long, and has a stream level of 1.

Map of 大井川

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It has 1 side channels.

大井川 flows into 山田川 , which it joins at N 36° 35′ 38″, E 136° 53′ 58″ at OSM node n720720317, and there 103 km of total upstream flows in.

大井川 has 4 tributaries.

吐川, which joins it at N 36° 33′ 18″, E 136° 53′ 31″ at OSM node n720660694, and 10 km of total upstream flows in.

(unnamed), which joins it at N 36° 34′ 22″, E 136° 54′ 4″ at OSM node n720719979, and 6 km of total upstream flows in.

(unnamed), which joins it at N 36° 31′ 11″, E 136° 52′ 47″ at OSM node n720658129, and 3 km of total upstream flows in.

(unnamed), which joins it at N 36° 31′ 44″, E 136° 52′ 40″ at OSM node n720658116, and 836 m of total upstream flows in.