(unnamed)

(unnamed) is 5 km long, and has a stream level of 5.

Map of (unnamed)

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(unnamed) flows into モーカケ沢 , which it joins at N 36° 59′ 6″, E 139° 20′ 34″ at OSM node n756936679, and there 16 km of total upstream flows in.

(unnamed) has 2 tributaries.

七入沢, which joins it at N 36° 59′ 12″, E 139° 19′ 41″ at OSM node n757038807, and 2 km of total upstream flows in.

大杉沢, which joins it at N 36° 58′ 55″, E 139° 19′ 16″ at OSM node n756199642, and 2 km of total upstream flows in.