Fleuve· 197 segments
Ottawa River / Rivière des Outaouais
Crosses 12 administrative regions : Argenteuil, Communauté-Urbaine-de-l'Outaouai, Lanark, Les Collines-de-l'Outaouais, Nipissing +7
Total length
626km
Max discharge
1 866,3m³/s
Max Strahler
7
Segments matched
197
River geography12 admin regions · 0 communes
12 administrative regions crossed (GADM L2)
- TémiscamingueQuébec · Canada186.5 kmin this dpt
- PontiacQuébec · Canada144.8 kmin this dpt
- RenfrewOntario · Canada111.7 kmin this dpt
- NipissingOntario · Canada64.2 kmin this dpt
- Prescott and RussellOntario · Canada45.8 kmin this dpt
- OttawaOntario · Canada44.4 kmin this dpt
- TimiskamingOntario · Canada41.3 kmin this dpt
- Les Collines-de-l'OutaouaisQuébec · Canada35.6 kmin this dpt
- PapineauQuébec · Canada25.1 kmin this dpt
- Communauté-Urbaine-de-l'OutaouaiQuébec · Canada24.1 kmin this dpt
- ArgenteuilQuébec · Canada24.0 kmin this dpt
- LanarkOntario · Canada0.0 kmin this dpt
30 intersecting protected areas
Proposed aquatic reserve
Gatineau Park
IUCN IIConservation Park
Land set aside Rivière-Dumoine
IUCN Not ReportedLand set aside
Quebec's national park
Rideau Canal National Historic Site
IUCN Not ApplicableNational Historic Site
Proposed biodiversity reserve
Proposed biodiversity reserve
White-tailed deer yard
Land set aside Basses-Collines-du-Ruisseau-Serpent
IUCN Not ReportedLand set aside
21 more protected areassorted by area
Quebec's national park
Provincial Park
Provincial Park
White-tailed deer yard
Conservation Reserve
White-tailed deer yard
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Provincial Park
Water fowl gathering area
Water fowl gathering area
Water fowl gathering area
Green's Creek
IUCN IVValued Natural Habitat
Water fowl gathering area
Water fowl gathering area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Provincial Park
Water fowl gathering area
Water fowl gathering area
Water fowl gathering area
Water fowl gathering area
1 page = 1 named river (aggregation of 197 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
78 distinct species · 144 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Ottawa River / Rivière des Outaouais : 14 espèces reliées par 38 interactions GloBI sur 2 types (connectance 13.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
626km
Max discharge
1 866,3m³/s
Max Strahler
7
Segments matched
197
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.