HydroBASINS lev08 watershed · #7080025470
Bassin de Rivière au Castor
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Nord-du-Québec
Sub-basin area
194,4km²
Upstream area
3 148,5km²
Discharge
35,17m³/s
Mean elev.
42m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Rivière au Castor267 km²
- Bassin de Rivière au Castor201 km²
1 dept-equivalent regions (GADM L2)
- 194.8 km²99.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 6 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-2,9°C
Annual rain
604mm
Moisture idx (CMI)
0,16
Runoff
428mm/an
PET
509mm
AET
400mm
Mean slope
1,0°
Water table
9cm
Forest
91%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)