Rivière· 26 segments
北川
Crosses 2 administrative regions : Nobeoka, Saiki
rivière
Total length
266km
Max discharge
26,9m³/s
Max Strahler
5
Segments matched
26
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
5 intersecting protected areas
Common fishery right area
Sobo katamuki (miyazaki)
IUCN VPrefectural Natural Park
Sobo katamuki (oita)
IUCN VPrefectural Natural Park
Higashinobeoka
IUCN IVPrefectural Wildlife Protection Area
Kitagawa dam
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 26 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
54 distinct species · 61 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydrology (HydroRIVERS v10)
Total length
266km
Max discharge
26,9m³/s
Max Strahler
5
Segments matched
26
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.