HydroBASINS lev08 watershed · #7080148250
Bassin de Grande rivière de la Baleine
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
143,1km²
Upstream area
1 407,1km²
Discharge
21,33m³/s
Mean elev.
482m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- 143.7 km²100.0% of basin
1 intersecting protected areas
Proposed biodiversity reserve
22.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
-5,5°C
Annual rain
724mm
Moisture idx (CMI)
0,43
Runoff
475mm/an
PET
409mm
AET
376mm
Mean slope
3,2°
Water table
67cm
Forest
29%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)