Ruisseau· 52 segments
渋海川
Crosses 4 administrative regions : Jōetsu, Kashiwazaki, Nagaoka, Tōkamachi
ruisseau
Total length
83km
Max discharge
20,5m³/s
Max Strahler
3
Segments matched
52
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- TōkamachiNiigata · Japan44.3 kmin this dpt
- NagaokaNiigata · Japan36.2 kmin this dpt
- KashiwazakiNiigata · Japan0.1 kmin this dpt
- JōetsuNiigata · Japan0.0 kmin this dpt
3 intersecting protected areas
Nomi matsunoyama oike
IUCN VPrefectural Natural Park
Enmeijigahara
IUCN IVPrefectural Wildlife Protection Area
Asahi Castle Woodland
IUCN Not ApplicableOECM
1 page = 1 named river (aggregation of 52 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
17 distinct species · 18 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
83km
Max discharge
20,5m³/s
Max Strahler
3
Segments matched
52
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.