HydroBASINS lev08 watershed · #7080144240
Bassin de Nass 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 : Kitimat-Stikine
Sub-basin area
22,1km²
Upstream area
17 148,1km²
Discharge
681,06m³/s
Mean elev.
274m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Niska Creek462 km²
- Bassin de Nass River49 km²
1 dept-equivalent regions (GADM L2)
- 22.2 km²100.0% of basin
1 intersecting protected areas
Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal)
1.13 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°
4,8°C
Annual rain
1 008mm
Moisture idx (CMI)
0,33
Runoff
1 108mm/an
PET
680mm
AET
490mm
Mean slope
6,8°
Water table
276cm
Forest
100%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)