碓氷川
碓氷川 is 6 km long, and has a stream level of 0.
Map of 碓氷川
This area:
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osm.org Distributaries / Outflows
碓氷川 flows into the sea:
6 km flows in at N 36° 21′ 15″, E 138° 42′ 10″ at OSM node n2756374476.
Tributaries
碓氷川 has 0 tributaries.