HydroBASINS lev08 watershed · #3080438520
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 3 administrative regions : Bodaybinskiy rayon, Lenskiy rayon, Mamsko-Chuyskiy rayon
Sub-basin area
570,1km²
Upstream area
8 680km²
Discharge
155,27m³/s
Mean elev.
576m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Патом959 km²
- Bassin de Большой Патом795 km²
3 dept-equivalent regions (GADM L2)
- Bodaybinskiy rayonIrkutsk · Russia264.0 km²46.1% of basin
- Mamsko-Chuyskiy rayonIrkutsk · Russia225.0 km²39.3% of basin
- 84.2 km²14.7% of basin
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°
-7,7°C
Annual rain
459mm
Moisture idx (CMI)
-0,14
Runoff
437mm/an
PET
534mm
AET
381mm
Mean slope
7,8°
Water table
167cm
Forest
87%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)