HydroBASINS lev08 watershed · #4080152760
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 : Dadal, Kyrinskiy rayon
Sub-basin area
238,4km²
Upstream area
238,4km²
Discharge
0,72m³/s
Mean elev.
1 096m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 173.4 km²72.5% of basin
- 65.7 km²27.5% of basin
2 intersecting protected areas
Onon-Balj /A/
IUCN IINational Park
37.62 km² overlap
Onon-Balj /B/
IUCN IINational Park
4.78 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°
-0,8°C
Annual rain
368mm
Moisture idx (CMI)
-0,50
Runoff
97mm/an
PET
745mm
AET
328mm
Mean slope
7,5°
Water table
201cm
Forest
11%
Crops
11%
Urban
0%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)