HydroBASINS lev08 watershed · #4080154060
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 2 administrative regions across 2 countries : Batshireet, Kyrinskiy rayon
Sub-basin area
394,2km²
Upstream area
2 868km²
Discharge
7,48m³/s
Mean elev.
1 514m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Онон529 km²
- Bassin de Куя369 km²
2 dept-equivalent regions (GADM L2)
- 200.2 km²50.6% of basin
- 195.3 km²49.4% of basin
1 intersecting protected areas
Khan Khentii
IUCN IbStrictly Protected Area
2.95 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
-4,4°C
Annual rain
437mm
Moisture idx (CMI)
-0,31
Runoff
108mm/an
PET
638mm
AET
383mm
Mean slope
9,9°
Water table
261cm
Forest
90%
Crops
3%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)