Fleuve· 258 segments

La Loire

Crosses 12 administrative regions : Allier, Ardèche, Cher, Haute-Loire, Indre-et-Loire +7

fleuve

Total length

1 209km

Max discharge

1 022,7m³/s

Max Strahler

Segments matched

258

River geography12 admin regions · 410 communes

Parent watershed

hybas-20804972501555 km²

12 administrative regions crossed (GADM L2)

Loiret
Centre-Val de Loire · France
151.7 km
in this dpt
Loire
Auvergne-Rhône-Alpes · France
139.9 km
in this dpt
Nièvre
Bourgogne-Franche-Comté · France
104.4 km
in this dpt
Indre-et-Loire
Centre-Val de Loire · France
94.8 km
in this dpt
Haute-Loire
Auvergne-Rhône-Alpes · France
84.0 km
in this dpt
Loire-Atlantique
Pays de la Loire · France
81.0 km
in this dpt
Maine-et-Loire
Pays de la Loire · France
77.8 km
in this dpt
Saône-et-Loire
Bourgogne-Franche-Comté · France
64.0 km
in this dpt
Cher
Centre-Val de Loire · France
57.1 km
in this dpt
Loir-et-Cher
Centre-Val de Loire · France
55.4 km
in this dpt
Allier
Auvergne-Rhône-Alpes · France
34.9 km
in this dpt
Ardèche
Auvergne-Rhône-Alpes · France
30.4 km
in this dpt

410 communes (L5)For countries with L5

30 intersecting protected areas

Sologne
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Loire-Anjou-Touraine
IUCN V
Regional Nature Park
Monts D\'Ardèche
IUCN V
Regional Nature Park
Gorges de la Loire
IUCN Not Reported
Special Protection Area (Birds Directive)
Lac de Rillé et forêts voisines d'Anjou et de Touraine
IUCN Not Reported
Special Protection Area (Birds Directive)
Plaine du Forez
IUCN Not Reported
Special Protection Area (Birds Directive)
Bocage, forêts et milieux humides des Amognes et du bassin de la Machine
IUCN Not Reported
Special Protection Area (Birds Directive)
Bocages, forêts et milieux humides des Amognes et du bassin de la Machine
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Estuaire de la Loire
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

21 more protected areassorted by area

Estuaire de la Loire
IUCN Not Reported
Special Protection Area (Birds Directive)
Val de Loire bocager
IUCN Not Reported
Special Protection Area (Birds Directive)
Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not Reported
Special Protection Area (Birds Directive)
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not Reported
Special Protection Area (Birds Directive)
Val de Loire bocager
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Vallée de la Loire des Ponts-de-Cé à Montsoreau
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Basses vallées angevines, aval de la rivière Mayenne et prairies de la Baumette
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Val de Loire nivernais
IUCN Not Reported
Special Protection Area (Birds Directive)
Vallée de la Loire du Loiret
IUCN Not Reported
Special Protection Area (Birds Directive)
Basses vallées angevines et prairies de la Baumette
IUCN Not Reported
Special Protection Area (Birds Directive)
Gorges de la Loire aval
IUCN Not Reported
Special Protection Area (Birds Directive)
Basses Vallées Angevines
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
Vallée de la Loire de Tavers à Belleville-sur-Loire
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Gorges de la Loire et affluents partie sud
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Vallée de la Loire d'Indre-et-Loire
IUCN Not Reported
Special Protection Area (Birds Directive)
Basses vallées de la Vienne et de l'Indre
IUCN Not Reported
Special Protection Area (Birds Directive)
La Loire de Candes Saint Martin à Mosnes
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Vallée de la Loire des Ponts-de-Cé à Montsoreau
IUCN Not Reported
Special Protection Area (Birds Directive)
Milieux alluviaux et aquatiques de la Loire
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

1 page = 1 named river (aggregation of 258 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

10 714 distinct species · 1 216 158 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de La Loire : 33 espèces + 4 bulles famille, 60 interactions GloBI documentées sur 6 types (connectance 9.0%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées

Interactions affichées

Connectance

0.090

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)