HydroBASINS lev08 watershed · #8080138550
Bassin de Alatna 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
1 259,5km²
Upstream area
7 545,5km²
Discharge
70,79m³/s
Mean elev.
386m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mettenpherg Creek2082 km²
- Bassin de Alatna River1178 km²
1 dept-equivalent regions (GADM L2)
- 1268.2 km²100.0% of basin
2 intersecting protected areas
Gates of the Arctic
IUCN VNational Preserve
15.13 km² overlap
Gates of the Arctic
IUCN IbWilderness Area
15.12 km² overlap
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°
-9,0°C
Annual rain
356mm
Moisture idx (CMI)
-0,19
Runoff
345mm/an
PET
441mm
AET
301mm
Mean slope
10,1°
Water table
195cm
Forest
18%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)