HydroBASINS lev08 watershed · #7080253380
Bassin de Rivière Toulnustouc
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 2 administrative regions : Manicouagan, Sept-Rivières--Caniapiscau
Sub-basin area
75,3km²
Upstream area
1 898,1km²
Discharge
35,8m³/s
Mean elev.
412m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 37.9 km²50.1% of basin
- 37.7 km²49.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
-1,7°C
Annual rain
1 029mm
Moisture idx (CMI)
0,44
Runoff
631mm/an
PET
573mm
AET
529mm
Mean slope
5,5°
Water table
97cm
Forest
98%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)