HydroBASINS lev08 watershed · #3080509300
Bassin de Мамакан
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 : Bodaybinskiy rayon
Sub-basin area
583km²
Upstream area
4 257,8km²
Discharge
54,43m³/s
Mean elev.
1 061m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Средний Мамакан1985 km²
- Bassin de Левый Мамакан1690 km²
1 dept-equivalent regions (GADM L2)
- Bodaybinskiy rayonIrkutsk · Russia586.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 9 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°
-8,8°C
Annual rain
487mm
Moisture idx (CMI)
-0,06
Runoff
408mm/an
PET
523mm
AET
400mm
Mean slope
12,8°
Water table
310cm
Forest
45%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)