古水川
古水川 is 8 km long, and has a stream level of 3.
Map of 古水川
This area:
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osm.org Distributaries / Outflows
古水川 flows into 赤松川
, which it joins at
N 38° 38′ 38″, E 140° 13′ 23″
at OSM node
n755707510,
and there 46 km of total upstream flows in.
Tributaries
古水川 has 0 tributaries.