(unnamed)

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(unnamed) flows into 横瀬川 , which it joins at N 36° 0′ 7″, E 139° 6′ 18″ at OSM node n1047285114, and there 60 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 大入沢, which joins it at N 36° 0′ 5″, E 139° 6′ 23″ at OSM node n1047481955, and 1 km of total upstream flows in.
load it's tributaries