HydroBASINS lev08 watershed · #3080440820
Bassin de Большой Патом
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 : Bodaybinskiy rayon, Mamsko-Chuyskiy rayon
Sub-basin area
959,2km²
Upstream area
7 314,6km²
Discharge
134,12m³/s
Mean elev.
867m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Патом1331 km²
- Bassin de Большой Патом646 km²
2 dept-equivalent regions (GADM L2)
- Bodaybinskiy rayonIrkutsk · Russia770.9 km²79.9% of basin
- Mamsko-Chuyskiy rayonIrkutsk · Russia193.5 km²20.1% 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°
-9,1°C
Annual rain
497mm
Moisture idx (CMI)
-0,01
Runoff
581mm/an
PET
505mm
AET
388mm
Mean slope
12,9°
Water table
319cm
Forest
58%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)