HydroBASINS lev08 watershed · #3080219930
Bassin de Олой
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 : Bilibinskiy rayon
Sub-basin area
1,9km²
Upstream area
14 666,5km²
Discharge
100,65m³/s
Mean elev.
505m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #3080219740618 km²
- Bassin de Олой201 km²
1 dept-equivalent regions (GADM L2)
- 1.9 km²100.0% of basin
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°
-12,9°C
Annual rain
266mm
Moisture idx (CMI)
-0,25
Runoff
231mm/an
PET
354mm
AET
236mm
Mean slope
19,5°
Water table
188cm
Forest
18%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)