HydroBASINS lev08 watershed · #4080250710
Bassin de Nariin gil
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 4 administrative regions : Baatsagaan, Bayan-Ovoo, Jinst, Ölziit
Sub-basin area
663,2km²
Upstream area
2 779,8km²
Discharge
0,87m³/s
Mean elev.
1 720m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nariin gil325 km²
- Bassin · #4080236710281 km²
4 dept-equivalent regions (GADM L2)
- Bayan-Ovoo280.5 km²42.2% of basin
- Ölziit203.4 km²30.6% of basin
- 102.7 km²15.5% of basin
- 78.1 km²11.8% of basin
1 intersecting protected areas
Valley of Lakes (Boon Tsagaan Nuur, Taatsiin Tsagaan Nuur, Adgiin Tasgaan Nuur, Orog Nuur)
IUCN Not ReportedWetland of International Importance (Ramsar Site)
2.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
13 distinct species · 19 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°
0,4°C
Annual rain
175mm
Moisture idx (CMI)
-0,77
Runoff
11mm/an
PET
782mm
AET
171mm
Mean slope
1,9°
Water table
75cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)