(unnamed)

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(unnamed) flows into 大箇野川 , which it joins at N 36° 12′ 57″, E 139° 39′ 40″ at OSM node n759335355, and there 65 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 大箇野川, which joins it at N 36° 12′ 54″, E 139° 39′ 26″ at OSM node n759317257, and 7 km of total upstream flows in.
load it's tributaries
• 海老瀬川, which joins it at N 36° 12′ 54″, E 139° 39′ 26″ at OSM node n759317257, and 2 km of total upstream flows in.
load it's tributaries