小石川

小石川 is 8 km long, and has a stream level of 0.

Map of 小石川

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小石川 flows into the sea: 13 km flows in at N 34° 52′ 11″, E 138° 19′ 26″ at OSM node n735665983.

小石川 has 3 tributaries.

(unnamed), which joins it at N 34° 52′ 10″, E 138° 18′ 49″ at OSM node n735471697, and 3 km of total upstream flows in.

(unnamed), which joins it at N 34° 51′ 54″, E 138° 18′ 36″ at OSM node n735668286, and 1 km of total upstream flows in.

(unnamed), which joins it at N 34° 51′ 30″, E 138° 16′ 46″ at OSM node n735310230, and 844 m of total upstream flows in.