HydroBASINS lev08 watershed · #3080581780
Bassin de Ока
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 : Balaganskiy rayon, Kuytunskiy rayon
Sub-basin area
235,5km²
Upstream area
35 324,9km²
Discharge
280,79m³/s
Mean elev.
503m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ока720 km²
- Bassin de Ока324 km²
2 dept-equivalent regions (GADM L2)
- Kuytunskiy rayonIrkutsk · Russia223.7 km²94.6% of basin
- Balaganskiy rayonIrkutsk · Russia12.9 km²5.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 5 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°
-1,8°C
Annual rain
382mm
Moisture idx (CMI)
-0,43
Runoff
23mm/an
PET
672mm
AET
336mm
Mean slope
3,4°
Water table
105cm
Forest
75%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)