Rivière· 4 segments
Ourthe
Crosses 1 administrative regions : Liège
Total length
22km
Max discharge
44,5m³/s
Max Strahler
5
Segments matched
4
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- LiègeWallonie · Belgium19.1 kmin this dpt
10 intersecting protected areas
Bois d'Anthisnes et d'Esneux
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bois d'Anthisnes et d'Esneux
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de l'Ourthe entre Comblain-au-Pont et Angleur
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de l'Ourthe entre Comblain-au-Pont et Angleur
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Basse vallée de la Vesdre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Basse vallée de la Vesdre
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sart-Tilman
IUCN IVCertified Nature Reserve (Walloon Region)
Ile aux Corsaires
IUCN IVCertified Nature Reserve (Walloon Region)
Brialmont (Grotte de)
IUCN IVScientific Interest Site (Walloon Region)
1 more protected areassorted by area
Monceau (Grotte de
IUCN IVState Nature Reserve (Walloon Region)
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 662 distinct species · 31 972 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 Ourthe : 20 espèces reliées par 144 interactions GloBI sur 5 types (connectance 17.6%, filtre Serrano α=0.2). 21 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
22km
Max discharge
44,5m³/s
Max Strahler
5
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.