HydroBASINS lev08 watershed · #7080156840
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
222,1km²
Upstream area
6 715,1km²
Discharge
23,8m³/s
Mean elev.
247m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Watts River629 km²
- Bassin de Grass River576 km²
2 dept-equivalent regions (GADM L2)
- 222.4 km²99.7% of basin
- 0.8 km²0.3% 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°
-1,6°C
Annual rain
477mm
Moisture idx (CMI)
-0,21
Runoff
133mm/an
PET
606mm
AET
406mm
Mean slope
0,2°
Water table
3cm
Forest
97%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)