Ruisseau· 11 segments
早川
Crosses 1 administrative regions : Itoigawa
ruisseau
Total length
143km
Max discharge
6m³/s
Max Strahler
3
Segments matched
11
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- ItoigawaNiigata · Japan21.7 kmin this dpt
5 intersecting protected areas
Common fishery right area
Myokotogakushirenzan
IUCN IINational Park
Hokogatake
IUCN IVPrefectural Wildlife Protection Area
Tsukimizunoike
IUCN IVPrefectural Wildlife Protection Area
Fudouyama
IUCN VGreen Space Environment Conservation Area(Niigata)
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
28 distinct species · 46 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
143km
Max discharge
6,0m³/s
Max Strahler
3
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.