ポロナイ川

ポロナイ川 is 7 km long, and has a stream level of 0.

Map of ポロナイ川

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ポロナイ川 flows into the sea: 18 km flows in at N 42° 24′ 12″, E 140° 18′ 26″ at OSM node n1453048513.

ポロナイ川 has 3 tributaries.

ポンポロナイ川, which joins it at N 42° 24′ 14″, E 140° 18′ 25″ at OSM node n1453048557, and 7 km of total upstream flows in.

種馬所川, which joins it at N 42° 24′ 20″, E 140° 17′ 40″ at OSM node n1453048731, and 4 km of total upstream flows in.

(unnamed), which joins it at N 42° 24′ 44″, E 140° 16′ 43″ at OSM node n1453049828, and 262 m of total upstream flows in.