HydroBASINS lev08 watershed · #7080289040
Bassin de Mattagami River
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 : Cochrane
Sub-basin area
60,5km²
Upstream area
11 064,9km²
Discharge
141,07m³/s
Mean elev.
221m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Poplar Rapids River790 km²
- Bassin de Mattagami River357 km²
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°
0,8°C
Annual rain
829mm
Moisture idx (CMI)
0,16
Runoff
527mm/an
PET
696mm
AET
543mm
Mean slope
0,6°
Water table
1cm
Forest
5%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)