HydroBASINS lev08 watershed · #7080124800
Bassin de Rivière Châteauguay
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
342,6km²
Upstream area
3 625,2km²
Discharge
44,02m³/s
Mean elev.
322m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Giraud1217 km²
- Bassin de Rivière Châteauguay494 km²
1 dept-equivalent regions (GADM L2)
- 344.3 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 8 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°
-5,9°C
Annual rain
623mm
Moisture idx (CMI)
0,35
Runoff
404mm/an
PET
402mm
AET
351mm
Mean slope
4,3°
Water table
53cm
Forest
13%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)