HydroBASINS lev08 watershed · #8080200630
Bassin de Twitya 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 : Fort Smith, Inuvik
Sub-basin area
461,6km²
Upstream area
3 586,4km²
Discharge
30,22m³/s
Mean elev.
1 390m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Twitya River495 km²
- Bassin de Twitya River316 km²
2 dept-equivalent regions (GADM L2)
- Inuvik367.1 km²79.0% of basin
- Fort Smith97.4 km²21.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
-9,2°C
Annual rain
431mm
Moisture idx (CMI)
0,03
Runoff
268mm/an
PET
417mm
AET
323mm
Mean slope
20,6°
Water table
398cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)