HydroBASINS lev08 watershed · #3080407950
Bassin de Олдоон
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 : Lenskiy rayon, Mirninskiy rayon
Sub-basin area
1 397,5km²
Upstream area
1 397,6km²
Discharge
9,47m³/s
Mean elev.
437m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1293.4 km²92.0% of basin
- 112.2 km²8.0% of basin
1 intersecting protected areas
Hotogo
IUCN IVThe Quiet Zone
9.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 4 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°
-7,9°C
Annual rain
412mm
Moisture idx (CMI)
-0,21
Runoff
212mm/an
PET
523mm
AET
352mm
Mean slope
7,3°
Water table
135cm
Forest
95%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)