HydroBASINS lev08 watershed · #4080156460
Bassin de Онон
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 : Batshireet
Sub-basin area
267,5km²
Upstream area
267,5km²
Discharge
0,73m³/s
Mean elev.
1 529m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 268.3 km²100.0% of basin
1 intersecting protected areas
Khan Khentii
IUCN IbStrictly Protected Area
148.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
-4,4°C
Annual rain
423mm
Moisture idx (CMI)
-0,34
Runoff
94mm/an
PET
644mm
AET
372mm
Mean slope
8,9°
Water table
241cm
Forest
71%
Crops
3%
Urban
0%
Protected
55%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)