HydroBASINS lev08 watershed · #3080519860
Bassin de Большая Чуя
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 : Kirenskiy rayon, Mamsko-Chuyskiy rayon
Sub-basin area
325,5km²
Upstream area
325,5km²
Discharge
3,61m³/s
Mean elev.
1 168m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Mamsko-Chuyskiy rayonIrkutsk · Russia320.4 km²97.9% of basin
- Kirenskiy rayonIrkutsk · Russia6.7 km²2.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
-7,9°C
Annual rain
466mm
Moisture idx (CMI)
-0,07
Runoff
363mm/an
PET
502mm
AET
384mm
Mean slope
10,4°
Water table
281cm
Forest
61%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)