Ontologiav2 world

Rivière· 23 segments

豊川

Crosses 5 administrative regions : Kozakai, Shinshiro, Shitara, Toyohashi, Toyokawa

rivière

Total length

100km

Max discharge

25,4m³/s

Max Strahler

4

Segments matched

23

River geography5 admin regions · 0 communes

Parent watershed

hybas-40800452602046 km²

5 administrative regions crossed (GADM L2)

Shinshiro
Aichi · Japan
23.1 km
in this dpt
Shitara
Aichi · Japan
16.9 km
in this dpt
Toyohashi
Aichi · Japan
8.5 km
in this dpt
Toyokawa
Aichi · Japan
3.3 km
in this dpt
Kozakai
Aichi · Japan
0.0 km
in this dpt

6 intersecting protected areas

Tenryu-Okumikawa
IUCN V
Quasi National Park
Aichikogen
IUCN V
Quasi National Park
Hongu san
IUCN V
Prefectural Natural Park
Dando kogen
IUCN V
Prefectural Natural Park
Sakurabuchi
IUCN V
Prefectural Natural Park
Takekuwada
IUCN IV
Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

51 distinct species · 65 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

100km

Max discharge

25,4m³/s

Max Strahler

4

Segments matched

23

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.