HydroBASINS lev08 watershed · #7080296300
Bassin de Coquihalla 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 3 administrative regions : Fraser Valley, Okanagan-Similkameen, Thompson-Nicola
Sub-basin area
760,3km²
Upstream area
760,3km²
Discharge
22,41m³/s
Mean elev.
1 188m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 743.4 km²97.5% of basin
- 17.5 km²2.3% of basin
- 1.6 km²0.2% of basin
7 intersecting protected areas
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas
57.51 km² overlap
Recreation Area
57.16 km² overlap
Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal)
28.84 km² overlap
COQUIHALLA CANYON PARK
IUCN IIIA - Park
1.44 km² overlap
COQUIHALLA RIVER PARK
IUCN IIA - Park
1.02 km² overlap
NICOLUM RIVER PARK
IUCN IIIA - Park
0.18 km² overlap
E.C. MANNING PARK
IUCN IIA - Park
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 031 distinct species · 20 254 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Coquihalla River : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
4,0°C
Annual rain
882mm
Moisture idx (CMI)
0,17
Runoff
917mm/an
PET
708mm
AET
495mm
Mean slope
25,2°
Water table
973cm
Forest
98%
Crops
0%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)