Rivière· 71 segments
L'Ain
Crosses 3 administrative regions : Ain, Isère, Jura
Total length
204km
Max discharge
471m³/s
Max Strahler
5
Segments matched
71
River geography3 admin regions · 106 communes
3 administrative regions crossed (GADM L2)
106 communes (L5)For countries with L5
- Sirod13.49 km
- Champagnole12.19 km
- Maisod7.57 km
- Pont-d'Ain7.57 km
- Châtillon7.18 km
- Serrières-sur-Ain7.06 km
- Hautecourt-Romanèche7.01 km
- Matafelon-Granges6.30 km
- Doucier5.78 km
- Chazey-sur-Ain5.45 km
- Saint-Maurice-de-Gourdans5.29 km
- Pont-du-Navoy4.95 km
- Mesnois4.79 km
- Poncin4.71 km
- Lect4.70 km
- Charnoz-sur-Ain4.64 km
- Onoz4.35 km
- Barésia-sur-l'Ain4.18 km
- Blye4.11 km
- Cize4.08 km
- Loyettes3.88 km
- Samognat3.77 km
- Crotenay3.77 km
- Neuville-sur-Ain3.74 km
- Dortan3.56 km
- Chancia3.55 km
- Pont-de-Poitte3.49 km
- Thoirette3.47 km
- Coyron3.28 km
- Largillay-Marsonnay3.17 km
- Bolozon3.17 km
- Charézier3.06 km
- Le Vaudioux2.70 km
- Condes2.51 km
- Moirans-en-Montagne2.45 km
- Syam2.36 km
- Saint-Jean-de-Niost2.30 km
- Bourg-de-Sirod2.25 km
- Conte2.22 km
- Priay2.19 km
- Blyes2.12 km
- Coisia2.12 km
- Montigny-sur-l'Ain2.09 km
- Ardon2.05 km
- Ney2.02 km
- Cize1.92 km
- Monnet-la-Ville1.87 km
- Marigny1.73 km
- La Tour-du-Meix1.64 km
- Corveissiat1.47 km
- Vescles1.45 km
- Villette-sur-Ain1.41 km
- Orgelet1.34 km
- Jujurieux1.20 km
- Gillois1.10 km
- Villieu-Loyes-Mollon1.08 km
- Boissia1.03 km
- Nozeroy0.99 km
- Doye0.95 km
- Lavancia-Epercy0.93 km
- Châtillon-la-Palud0.82 km
- Patornay0.82 km
- Challes-la-Montagne0.75 km
- Mirebel0.69 km
- Montrond0.59 km
- Crans0.50 km
- Ambronay0.43 km
- Chavanoz0.42 km
- Saint-Vulbas0.39 km
- Charchilla0.35 km
- Saint-Jean-le-Vieux0.31 km
- Saint-Maurice-de-Rémens0.30 km
- Anthon0.22 km
- Château-Gaillard0.22 km
- Cernon0.12 km
- La Favière0.00 km
- Rix0.00 km
- Grand-Corent0.00 km
- Bohas-Meyriat-Rignat0.00 km
- Leyment0.00 km
- Martigna0.00 km
- Montcusel0.00 km
- Denezières0.00 km
- Meximieux0.00 km
- Loulle0.00 km
- Le Pasquier0.00 km
- Mont-sur-Monnet0.00 km
- Châtelneuf0.00 km
- Cornod0.00 km
- Pillemoine0.00 km
- Vannoz0.00 km
- Charcier0.00 km
- Oyonnax0.00 km
- Clairvaux-les-Lacs0.00 km
- Sonthonnax-la-Montagne0.00 km
- Leyssard0.00 km
- Varambon0.00 km
- Menétrux-en-Joux0.00 km
- Druillat0.00 km
- Songeson0.00 km
- Vertamboz0.00 km
- Pérouges0.00 km
- Lent0.00 km
- Publy0.00 km
- Les Chalesmes0.00 km
- Charency0.00 km
18 intersecting protected areas
Haut-Jura
IUCN VRegional Nature Park
Petite montagne du Jura
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Petite montagne du Jura
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallées et côtes de la Bienne, du Tacon et du Flumen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallées et côtes de la Bienne, du Tacon et du Flumen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Biotope Protection Order
Biotope Protection Order
Basse vallée de l'Ain, confluence Ain-Rhône
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Revermont et gorges de l'Ain
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9 more protected areassorted by area
Biotope Protection Order
Rive est du lac de vouglans
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Brotteaux De Chazey Sur Ain
IUCN IVBiotope Protection Order
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Land acquired by a regional conservatory of natural areas
Sous les côtes
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Rives de bellecin
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
au muret
IUCN IVLand acquired by a regional conservatory of natural areas
marais sur les ormes
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 71 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
746 distinct species · 3 014 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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'Ain : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 90 interactions GloBI documentées sur 5 types (connectance 14.3%, filtre Serrano α=0.2). Les 4 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
204km
Max discharge
471,0m³/s
Max Strahler
5
Segments matched
71
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.