洞谷川
洞谷川 is 4 km long, and has a stream level of 3.
Map of 洞谷川
This area:
WaterwayMap main
osm.org
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osm.org Distributaries / Outflows
洞谷川 flows into 小八賀川
, which it joins at
N 36° 10′ 21″, E 137° 21′ 3″
at OSM node
n726055200,
and there 122 km of total upstream flows in.
Tributaries
洞谷川 has 0 tributaries.