HydroBASINS lev08 watershed · #8080241160
Bassin de Chuilnak 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 : Wade Hampton
Sub-basin area
122,3km²
Upstream area
1 635,9km²
Discharge
26,34m³/s
Mean elev.
54m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Atchuelinguk River298 km²
- Bassin · #8080238950266 km²
1 dept-equivalent regions (GADM L2)
- 123.1 km²100.0% of basin
3 intersecting protected areas
Marine Protected Area
120.92 km² overlap
Yukon Delta
IUCN IVNational Wildlife Refuge
120.92 km² overlap
Andreafsky
IUCN IbWilderness Area
3.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 4 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°
-2,5°C
Annual rain
409mm
Moisture idx (CMI)
-0,01
Runoff
589mm/an
PET
414mm
AET
317mm
Mean slope
2,9°
Water table
56cm
Forest
11%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)