HydroBASINS lev08 watershed · #7080287980
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
86,9km²
Upstream area
11 768,7km²
Discharge
150,96m³/s
Mean elev.
218m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Marceau River617 km²
- Bassin de Mattagami River61 km²
1 intersecting protected areas
Provincial Park
3.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 2 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
828mm
Moisture idx (CMI)
0,16
Runoff
528mm/an
PET
692mm
AET
542mm
Mean slope
0,3°
Water table
0cm
Forest
36%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)