HydroBASINS lev08 watershed · #7080240520
Bassin de Rivière Seignelay
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 : Manicouagan
Sub-basin area
11,3km²
Upstream area
11 630,4km²
Discharge
231,71m³/s
Mean elev.
348m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Mouchalagane1318 km²
- Bassin de Rivière Seignelay461 km²
1 dept-equivalent regions (GADM L2)
- 11.3 km²100.0% of basin
1 intersecting protected areas
Proposed biodiversity reserve
0.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
-1,9°C
Annual rain
922mm
Moisture idx (CMI)
0,38
Runoff
589mm/an
PET
573mm
AET
517mm
Mean slope
0,3°
Water table
8cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)