HydroBASINS lev08 watershed · #3080086820
Bassin de Оленёк
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 : Bulunskiy rayon, Olenekskiy rayon
Sub-basin area
931,4km²
Upstream area
164 875,5km²
Discharge
776,73m³/s
Mean elev.
176m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Куойка674 km²
- Bassin de Оленёк12 km²
2 dept-equivalent regions (GADM L2)
- 483.5 km²51.5% of basin
- 454.9 km²48.5% of basin
1 intersecting protected areas
Bur
IUCN VIResource Reserve
357.88 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°
-14,1°C
Annual rain
253mm
Moisture idx (CMI)
-0,26
Runoff
139mm/an
PET
341mm
AET
227mm
Mean slope
5,4°
Water table
108cm
Forest
42%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)