HydroBASINS lev08 watershed · #8080233380
Bassin de Gahtsahday 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 : Fort Smith
Sub-basin area
32,8km²
Upstream area
17 538,4km²
Discharge
60,73m³/s
Mean elev.
208m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gahtsahday River2013 km²
- Bassin de Willowlake River950 km²
1 dept-equivalent regions (GADM L2)
- Fort Smith33.0 km²100.0% of basin
1 intersecting protected areas
Edéhzhíe Protected Area
IUCN IbNational Wildlife Area
33.03 km² overlap
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°
-4,4°C
Annual rain
319mm
Moisture idx (CMI)
-0,42
Runoff
263mm/an
PET
545mm
AET
285mm
Mean slope
0,9°
Water table
14cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)