HydroBASINS lev08 watershed · #3080404670
Bassin de Лена
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 : Olekminskiy rayon
Sub-basin area
458,8km²
Upstream area
793 839,7km²
Discharge
7 153,46m³/s
Mean elev.
316m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Тоулбачан475 km²
- Bassin de Тоулбачан78 km²
1 dept-equivalent regions (GADM L2)
- 461.4 km²100.0% of basin
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°
-7,7°C
Annual rain
348mm
Moisture idx (CMI)
-0,37
Runoff
25mm/an
PET
548mm
AET
308mm
Mean slope
8,7°
Water table
147cm
Forest
86%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)