海上川
海上川 is 7 km long, and has a stream level of 2.
Map of 海上川
This area:
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osm.org Distributaries / Outflows
海上川 flows into 金田一川
, which it joins at
N 40° 17′ 16″, E 141° 9′ 45″
at OSM node
n754079191,
and there 13 km of total upstream flows in.
Tributaries
海上川 has 0 tributaries.