Ruisseau
下松沢
Crosses 2 administrative regions : Nagaoka, Sanjō
ruisseau
Total length
3km
Max discharge
1,4m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
5 intersecting protected areas
Echigosanzan-Tadami
IUCN IIQuasi National Park
Okuhayade awasumon
IUCN VPrefectural Natural Park
Sumon
IUCN IVPrefectural Wildlife Protection Area
Sumondake
IUCN IVBiocenosis Protected Forest
Magoigaike Amagoiruritombo
IUCN IVRare Population Protected Forest
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
14 distinct species · 17 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
3km
Max discharge
1,4m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.