HydroBASINS lev08 watershed · #4080165800
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 : Binder
Sub-basin area
340,7km²
Upstream area
340,7km²
Discharge
0,89m³/s
Mean elev.
1 184m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 intersecting protected areas
Onon-Balj /A/
IUCN IINational Park
125.97 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 5 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°
-2,2°C
Annual rain
367mm
Moisture idx (CMI)
-0,48
Runoff
85mm/an
PET
704mm
AET
328mm
Mean slope
5,1°
Water table
137cm
Forest
0%
Crops
5%
Urban
0%
Protected
37%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)