大洞川
大洞川 is 5 km long, and has a stream level of 3.
Map of 大洞川
This area:
WaterwayMap main
osm.org
JOSM isn't running...
JOSM isn't running...
geo: url (open on mobile)
osm.org Distributaries / Outflows
大洞川 flows into 善光寺川
, which it joins at
N 35° 5′ 47″, E 136° 5′ 13″
at OSM node
n971493940,
and there 17 km of total upstream flows in.
Tributaries
大洞川 has 0 tributaries.