HydroBASINS lev08 watershed · #3080454300
Bassin de Лонтын-Ях
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 : Kargasokskiy rayon, Surgutskiy rayon
Sub-basin area
1 427,9km²
Upstream area
22 689,1km²
Discharge
155,27m³/s
Mean elev.
93m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Кельват1603 km²
- Bassin de Васюган814 km²
2 dept-equivalent regions (GADM L2)
- Kargasokskiy rayonTomsk · Russia1434.7 km²99.9% of basin
- 0.9 km²0.1% of basin
1 intersecting protected areas
Konev YAr
IUCN IIINatural Monument
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 14 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°
-1,6°C
Annual rain
534mm
Moisture idx (CMI)
-0,06
Runoff
126mm/an
PET
571mm
AET
426mm
Mean slope
0,5°
Water table
5cm
Forest
73%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)