HydroBASINS lev08 watershed · #2080275710
Bassin de Алешня
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 : Kholmskiy rayon, Toropetskiy rayon
Sub-basin area
178,8km²
Upstream area
3 914,8km²
Discharge
35,28m³/s
Mean elev.
81m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сережа1061 km²
- Bassin de Кунья292 km²
2 dept-equivalent regions (GADM L2)
- 168.1 km²93.5% of basin
- Toropetskiy rayonTver' · Russia11.6 km²6.5% of basin
2 intersecting protected areas
Boloto Kuznecovskij Moh
IUCN IVState Natural Zakaznik
1.43 km² overlap
Boloto Bilovskie
IUCN IVState Natural Zakaznik
0.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 6 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°
4,6°C
Annual rain
602mm
Moisture idx (CMI)
-0,06
Runoff
288mm/an
PET
643mm
AET
480mm
Mean slope
0,9°
Water table
40cm
Forest
91%
Crops
5%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)