HydroBASINS lev08 watershed · #7080154350
Bassin de Grass 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 2 administrative regions : Division No. 21, Division No. 22
Sub-basin area
122,2km²
Upstream area
9 933,9km²
Discharge
36,12m³/s
Mean elev.
228m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de McLeod Creek1787 km²
- Bassin de Grass River61 km²
2 dept-equivalent regions (GADM L2)
- 117.6 km²95.8% of basin
- 5.2 km²4.2% of basin
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°
-1,8°C
Annual rain
474mm
Moisture idx (CMI)
-0,21
Runoff
129mm/an
PET
604mm
AET
404mm
Mean slope
0,5°
Water table
7cm
Forest
47%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)