HydroBASINS lev08 watershed · #8080154130
Bassin de Tilchuse River
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 : Fort Smith
Sub-basin area
182,6km²
Upstream area
183,2km²
Discharge
0,35m³/s
Mean elev.
279m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- Fort Smith183.8 km²100.0% of basin
1 intersecting protected areas
Sentinel Islands
IUCN Not ApplicableConservation zone in regional land use plan
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
-7,2°C
Annual rain
250mm
Moisture idx (CMI)
-0,36
Runoff
162mm/an
PET
389mm
AET
228mm
Mean slope
3,1°
Water table
61cm
Forest
4%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)