HydroBASINS lev08 watershed · #8080192200
Bassin de Nowitna 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 : Yukon-Koyukuk
Sub-basin area
24,5km²
Upstream area
12 589,4km²
Discharge
73,37m³/s
Mean elev.
96m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Little Mud River1345 km²
- Bassin de Nowitna River376 km²
1 dept-equivalent regions (GADM L2)
- 24.6 km²100.0% of basin
1 intersecting protected areas
Nowitna
IUCN IVNational Wildlife Refuge
24.63 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°
-4,7°C
Annual rain
389mm
Moisture idx (CMI)
-0,22
Runoff
158mm/an
PET
496mm
AET
331mm
Mean slope
5,3°
Water table
55cm
Forest
68%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)