HydroBASINS lev08 watershed · #3080648670
Bassin de Большой Бильдык
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 across 2 countries : Kaa-Khemskiy rayon, Tsagaannuur
Sub-basin area
654,3km²
Upstream area
654,3km²
Discharge
6,14m³/s
Mean elev.
1 932m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 368.2 km²56.1% of basin
- 288.6 km²43.9% of basin
1 intersecting protected areas
National Park
283.05 km² overlap
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°
-9,2°C
Annual rain
375mm
Moisture idx (CMI)
-0,29
Runoff
298mm/an
PET
537mm
AET
333mm
Mean slope
10,2°
Water table
303cm
Forest
70%
Crops
0%
Urban
0%
Protected
43%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)