HydroBASINS lev08 watershed · #7080190970
Bassin de la Grande Rivière
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
95,1km²
Upstream area
7 009,7km²
Discharge
156,01m³/s
Mean elev.
518m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Grande Rivière1202 km²
- Bassin de la Grande Rivière71 km²
1 dept-equivalent regions (GADM L2)
- 95.5 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
-4,2°C
Annual rain
811mm
Moisture idx (CMI)
0,45
Runoff
733mm/an
PET
447mm
AET
423mm
Mean slope
1,8°
Water table
27cm
Forest
74%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)