Rivière· 102 segments
L'Allier
Crosses 7 administrative regions : Allier, Ardèche, Cher, Haute-Loire, Lozère +2
Total length
451km
Max discharge
135m³/s
Max Strahler
5
Segments matched
102
River geography7 admin regions · 163 communes
7 administrative regions crossed (GADM L2)
- AllierAuvergne-Rhône-Alpes · France110.1 kmin this dpt
- Puy-de-DômeAuvergne-Rhône-Alpes · France94.8 kmin this dpt
- Haute-LoireAuvergne-Rhône-Alpes · France80.0 kmin this dpt
- LozèreOccitanie · France30.6 kmin this dpt
- NièvreBourgogne-Franche-Comté · France19.9 kmin this dpt
- CherCentre-Val de Loire · France9.2 kmin this dpt
- ArdècheAuvergne-Rhône-Alpes · France6.4 kmin this dpt
163 communes (L5)For countries with L5
- Issoire9.84 km
- La Ferté-Hauterive9.49 km
- Monistrol-d'Allier8.33 km
- Vic-le-Comte7.33 km
- Limons6.87 km
- La Bastide-Puylaurent6.49 km
- Joze6.39 km
- Maringues6.34 km
- Langogne6.32 km
- Saint-Gérand-de-Vaux6.24 km
- Vieille-Brioude5.98 km
- Pont-du-Château5.80 km
- Châtel-de-Neuvre5.69 km
- Auzon5.68 km
- Saint-Bonnet-de-Montauroux5.67 km
- Saint-Privat-d'Allier5.57 km
- Le Veurdre5.50 km
- Bagneux5.35 km
- Les Martres-de-Veyre5.27 km
- Lespéron5.15 km
- Moulins5.12 km
- Saint-Rémy-en-Rollat5.04 km
- Mars-sur-Allier5.01 km
- Marcenat4.78 km
- Toulon-sur-Allier4.67 km
- Rauret4.61 km
- Naussac4.47 km
- Montilly4.36 km
- Chasseradès4.33 km
- Azérat4.21 km
- Chanteuges4.16 km
- Livry4.16 km
- Aubigny4.15 km
- Avermes3.80 km
- Villeneuve-sur-Allier3.79 km
- Luzillat3.77 km
- Bessay-sur-Allier3.72 km
- Varennes-sur-Allier3.71 km
- Apremont-sur-Allier3.61 km
- Mariol3.53 km
- Saint-Haon3.45 km
- Mazeyrat-d'Allier3.41 km
- Dallet3.41 km
- Aubazat3.35 km
- Langeron3.22 km
- Bressolles3.20 km
- Perrier3.18 km
- Vichy3.13 km
- Chilhac2.98 km
- Paray-sous-Briailles2.84 km
- Neuvy-le-Barrois2.78 km
- Mornay-sur-Allier2.71 km
- Chemilly2.69 km
- Tresnay2.68 km
- Langeac2.65 km
- Saint-Bérain2.63 km
- Saincaize-Meauce2.55 km
- Charmeil2.52 km
- Yzeure2.42 km
- Alleyras2.39 km
- Yronde-et-Buron2.32 km
- Chantenay-Saint-Imbert2.29 km
- Saint-Arcons-d'Allier2.27 km
- Lamothe2.26 km
- Orbeil2.25 km
- Bellerive-sur-Allier2.22 km
- Saint-Yvoine2.19 km
- Saint-Hilaire2.19 km
- Saint-Loup2.13 km
- Cournon-d'Auvergne2.07 km
- Crevant-Laveine1.98 km
- Mirefleurs1.98 km
- Les Martres-d'Artière1.97 km
- Luc1.92 km
- Prades1.91 km
- Ris1.85 km
- Saint-Didier-d'Allier1.81 km
- Lavoûte-Chilhac1.77 km
- Château-sur-Allier1.72 km
- Le Breuil-sur-Couze1.70 km
- Saint-Ilpize1.62 km
- Authezat1.57 km
- Saint-Yorre1.50 km
- Nonette1.50 km
- Pradelles1.39 km
- Mons1.38 km
- Fontanes1.34 km
- Beaulieu1.30 km
- Laveyrune1.25 km
- Saint-Étienne-du-Vigan1.24 km
- Saint-Martin-d'Ollières1.23 km
- Créchy1.16 km
- Mezel1.14 km
- Saint-Germain-des-Fossés1.13 km
- Parent1.05 km
- Sauvagnat-Sainte-Marthe1.02 km
- Montpeyroux0.97 km
- Vinzelles0.95 km
- Contigny0.93 km
- Pérignat-sur-Allier0.92 km
- Trévol0.85 km
- Saint-Jean-Saint-Gervais0.82 km
- Saint-Cirgues0.73 km
- Vézézoux0.73 km
- Saint-Julien-des-Chazes0.73 km
- Saint-Sylvestre-Pragoulin0.72 km
- Neuvy0.69 km
- Corent0.64 km
- Saint-Léopardin-d'Augy0.62 km
- La Roche-Noire0.61 km
- Coudes0.61 km
- Le Cendre0.57 km
- Brioude0.55 km
- Creuzier-le-Vieux0.50 km
- Bulhon0.49 km
- Villeneuve-d'Allier0.46 km
- Parentignat0.40 km
- Hauterive0.40 km
- Cohade0.37 km
- Billy0.36 km
- Saint-Maurice0.31 km
- Saint-Jean-Lachalm0.24 km
- Saint-Christophe-d'Allier0.20 km
- Monétay-sur-Allier0.18 km
- Cuffy0.14 km
- Orsonnette0.11 km
- Fontannes0.10 km
- Laval-Atger0.04 km
- Gimouille0.01 km
- Brassac-les-Mines0.00 km
- Beauregard-l'Évêque0.00 km
- Saint-Laurent-les-Bains0.00 km
- Chassignolles0.00 km
- Lempdes0.00 km
- Sainte-Florine0.00 km
- Brenat0.00 km
- Saint-Privat-du-Dragon0.00 km
- Vergongheon0.00 km
- Saint-Priest-Bramefant0.00 km
- Puy-Guillaume0.00 km
- Charnat0.00 km
- Busset0.00 km
- Culhat0.00 km
- Saint-Just-près-Brioude0.00 km
- Abrest0.00 km
- Siaugues-Sainte-Marie0.00 km
- Saint-Pourçain-sur-Sioule0.00 km
- Cellier-du-Luc0.00 km
- Saint-Paul-de-Tartas0.00 km
- Blassac0.00 km
- Cerzat0.00 km
- Arlet0.00 km
- Pignols0.00 km
- Laps0.00 km
- Le Broc0.00 km
- Meilhaud0.00 km
- Orcet0.00 km
- Pardines0.00 km
- Saint-Babel0.00 km
- Saint-Alban-en-Montagne0.00 km
- Vertaizon0.00 km
- Solignat0.00 km
- Auzat-la-Combelle0.00 km
30 intersecting protected areas
Livradois-Forez
IUCN VRegional Nature Park
Monts D\'Ardèche
IUCN VRegional Nature Park
Haut Val d'Allier
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Val d'Allier Bourbonnais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gorges de l'Allier et affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Val d'allier Saint Yorre-Joze
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de l'Allier nord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
21 more protected areassorted by area
Massif forestier des Prieurés: Moladier, Bagnolet et Messarges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Val d'Allier / Vieille Brioude / Langeac
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rivière Allier
IUCN IVBiotope Protection Order
Val d'Allier - Alagnon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Zones alluviales de la confluence Dore-Allier
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallées et côteaux xérothermiques des Couzes et Limagnes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de l'Allier sud
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gîtes à chauves-souris, "Contreforts et Montagne Bourbonnaise"
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Val D\'Allier
IUCN IVNational Nature Reserve
Comté d'Auvergne et Puy Saint Romain
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Allier et ses affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Val d'Allier Limagne Brivadoise
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Basse Sioule
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Étangs de Sologne bourbonnaise
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Special Areas of Conservation (Habitats Directive)
val d\'allier - les jelines
IUCN IVLand acquired by a regional conservatory of natural areas
val d\'allier - le meplan
IUCN IVLand acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
val d\'allier - la jolivette
IUCN IVLand acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 102 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
6 519 distinct species · 415 518 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 L'Allier : 27 espèces + 6 bulles famille, 49 interactions GloBI documentées sur 6 types (connectance 9.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
451km
Max discharge
135,0m³/s
Max Strahler
5
Segments matched
102
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.