HydroBASINS lev08 watershed · #2080522950
Bassin de l'Ain
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Doubs, Jura
Sub-basin area
1 115,4km²
Upstream area
1 115,4km²
Discharge
45,53m³/s
Mean elev.
716m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1095.6 km²98.0% of basin
- 22.6 km²2.0% of basin
153 communes (GADM L5)Available for FRA, RWA
- Mignovillard29.71 km²59% commune
- Foncine-le-Haut28.56 km²100% commune
- Moirans-en-Montagne23.61 km²86% commune
- La Chaux-du-Dombief21.62 km²100% commune
- Saint-Maurice-Crillat20.80 km²99% commune
- Mont-sur-Monnet20.74 km²100% commune
- Champagnole20.41 km²100% commune
- Lac-des-Rouges-Truites18.33 km²93% commune
- Sirod16.26 km²100% commune
- Vescles15.87 km²76% commune
- Onoz15.71 km²90% commune
- Châtillon15.12 km²89% commune
- Saint-Laurent-en-Grandvaux14.73 km²84% commune
- Le Frasnois14.36 km²100% commune
- Châtel-de-Joux14.16 km²100% commune
- Châtelblanc14.12 km²68% commune
- Cernon14.00 km²81% commune
- Meussia13.85 km²100% commune
- Les Planches-en-Montagne13.74 km²100% commune
- Châtelneuf13.63 km²100% commune
- Lect13.32 km²100% commune
- Étival13.22 km²96% commune
- Bonlieu13.04 km²100% commune
- Fort-du-Plasne13.02 km²100% commune
- Montrond12.87 km²50% commune
- Doucier12.83 km²100% commune
- Arsure-Arsurette12.62 km²97% commune
- Soucia12.58 km²100% commune
- Clairvaux-les-Lacs12.56 km²100% commune
- Andelot-en-Montagne12.51 km²98% commune
- Charcier12.48 km²100% commune
- Thoiria12.21 km²100% commune
- Mesnois11.76 km²99% commune
- Marigny11.75 km²100% commune
- Chaux-des-Crotenay11.74 km²100% commune
- Crotenay11.69 km²98% commune
- Barésia-sur-l'Ain11.33 km²100% commune
- Loulle10.92 km²100% commune
- La Chaumusse10.83 km²100% commune
- Blye10.40 km²100% commune
- Cerniébaud10.01 km²100% commune
- Maisod9.98 km²100% commune
- Gillois9.87 km²100% commune
- Chapois9.83 km²98% commune
- Les Chalesmes9.68 km²100% commune
- Pont-du-Navoy9.45 km²100% commune
- Charézier9.40 km²100% commune
- Foncine-le-Bas9.30 km²100% commune
- Valempoulières9.27 km²58% commune
- Fontenu9.08 km²100% commune
- Crans9.03 km²100% commune
- Onglières8.93 km²100% commune
- Les Nans8.91 km²100% commune
- Crenans8.82 km²100% commune
- Saffloz8.75 km²100% commune
- Menétrux-en-Joux8.68 km²100% commune
- Songeson8.54 km²100% commune
- Vers-en-Montagne8.49 km²100% commune
- Montigny-sur-l'Ain8.08 km²100% commune
- Le Pasquier8.02 km²100% commune
- Orgelet7.83 km²30% commune
- Pont-de-Poitte7.47 km²100% commune
- Supt7.46 km²54% commune
- Mirebel7.43 km²42% commune
- Ney7.43 km²100% commune
- Largillay-Marsonnay7.41 km²97% commune
- Bief-du-Fourg7.40 km²72% commune
- Coyron7.35 km²100% commune
- Syam6.96 km²100% commune
- Censeau6.90 km²68% commune
- Charchilla6.85 km²100% commune
- Cogna6.84 km²100% commune
- Denezières6.77 km²100% commune
- Vertamboz6.46 km²100% commune
- Monnet-la-Ville5.92 km²100% commune
- La Latette5.90 km²100% commune
- Le Vaudioux5.89 km²100% commune
- Boissia5.89 km²100% commune
- Le Larderet5.72 km²100% commune
- Bief-des-Maisons5.71 km²100% commune
- Esserval-Tartre5.69 km²46% commune
- Fraroz5.66 km²94% commune
- La Tour-du-Meix5.60 km²39% commune
- Vannoz5.55 km²100% commune
- Mournans-Charbonny5.52 km²100% commune
- Saint-Germain-en-Montagne5.45 km²100% commune
- Uxelles5.33 km²100% commune
- Plénise5.32 km²98% commune
- Rix5.30 km²100% commune
- Chevrotaine5.22 km²100% commune
- Entre-deux-Monts5.09 km²100% commune
- Ardon5.07 km²100% commune
- Hautecour5.05 km²100% commune
- Équevillon4.74 km²100% commune
- Pillemoine4.71 km²100% commune
- Publy4.66 km²29% commune
- Le Latet4.56 km²100% commune
- Saugeot4.55 km²100% commune
- Billecul4.51 km²100% commune
- Chapelle-des-Bois4.42 km²11% commune
- Bourg-de-Sirod4.37 km²100% commune
- Nozeroy4.26 km²100% commune
- Lent4.23 km²100% commune
- Arinthod4.20 km²20% commune
- Saint-Pierre4.19 km²25% commune
- Moutoux4.18 km²100% commune
- Communailles-en-Montagne3.99 km²100% commune
- Cize3.97 km²100% commune
- Sapois3.80 km²100% commune
- Longcochon3.70 km²100% commune
- Frasne3.65 km²11% commune
- Doye3.62 km²100% commune
- Conte3.20 km²100% commune
- Mièges3.20 km²100% commune
- La Frasnée3.11 km²100% commune
- Montcusel2.74 km²29% commune
- Charency2.68 km²100% commune
- Morbier2.63 km²6% commune
- Nogna2.53 km²41% commune
- Molpré2.44 km²100% commune
- Plénisette2.40 km²100% commune
- La Favière2.39 km²100% commune
- Martigna2.19 km²25% commune
- Les Piards2.01 km²38% commune
- Patornay1.77 km²100% commune
- Esserval-Combe1.75 km²100% commune
- Prénovel1.64 km²20% commune
- Les Crozets1.48 km²18% commune
- Chancia1.45 km²44% commune
- Pont-d'Héry1.37 km²10% commune
- Aresches1.29 km²28% commune
- Légna0.83 km²8% commune
- Bonnefontaine0.68 km²8% commune
- Verges0.67 km²10% commune
- Grande-Rivière0.53 km²2% commune
- Les Pontets0.33 km²5% commune
- Condes0.31 km²10% commune
- Villards-d'Héria0.28 km²3% commune
- Marnézia0.20 km²4% commune
- Montmarlon0.20 km²6% commune
- Chisséria0.18 km²2% commune
- Thésy0.14 km²3% commune
- Lavans-sur-Valouse0.13 km²1% commune
- Besain0.12 km²1% commune
- Plaisia0.11 km²2% commune
- Mérona0.11 km²4% commune
- Lemuy0.10 km²0% commune
- Chaux-Neuve0.07 km²0% commune
- Cuvier0.06 km²1% commune
- Picarreau0.06 km²1% commune
- Reculfoz0.04 km²1% commune
- Rondefontaine0.01 km²0% commune
- Ravilloles0.00 km²0% commune
30 intersecting protected areas
Haut-Jura
IUCN VRegional Nature Park
332.53 km² overlap
Petite montagne du Jura
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
76.72 km² overlap
Petite montagne du Jura
IUCN Not ReportedSpecial Protection Area (Birds Directive)
76.72 km² overlap
Complexe des Sept Lacs du Jura
IUCN Not ReportedSpecial Protection Area (Birds Directive)
21.66 km² overlap
Complexe des Sept Lacs du Jura
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
21.66 km² overlap
Entrecôtes du Milieu-Malvaux
IUCN Not ReportedSpecial Protection Area (Birds Directive)
19.96 km² overlap
Entrecôtes du Milieu - Malvaux
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
19.96 km² overlap
Étival - Assencière
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
16.44 km² overlap
Étival - Assencière
IUCN Not ReportedSpecial Protection Area (Birds Directive)
16.43 km² overlap
21 more protected areassorted by overlap area
Forêt Du Paradis
IUCN IVBiotope Protection Order
7.98 km² overlap
Wetland of International Importance (Ramsar Site)
6.94 km² overlap
Biotope Protection Order
6.58 km² overlap
Biotope Protection Order
4.51 km² overlap
Vallées et côtes de la Bienne, du Tacon et du Flumen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.40 km² overlap
Vallées et côtes de la Bienne, du Tacon et du Flumen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.40 km² overlap
Biotope Protection Order
4.01 km² overlap
Grandvaux
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.48 km² overlap
Vallées du Drugeon et du Haut-Doubs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.91 km² overlap
Vallées du Drugeon et du Haut-Doubs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.91 km² overlap
Rive est du lac de vouglans
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1.35 km² overlap
Bassin du Drugeon
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1.05 km² overlap
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
0.88 km² overlap
Sous les côtes
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
0.57 km² overlap
Bassin Du Drugeon Du Doubs
IUCN IVBiotope Protection Order
0.54 km² overlap
Reculée De La Frasnée
IUCN IVForest Managed Biological Reserve
0.45 km² overlap
Combe du Nanchez
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.29 km² overlap
Seigne Des Barbouillons
IUCN IVRegional Nature Reserve
0.19 km² overlap
tourbiere du lac de bonlieu
IUCN IVLand acquired by a regional conservatory of natural areas
0.08 km² overlap
val dessous
IUCN IVLand acquired by a regional conservatory of natural areas
0.08 km² overlap
Plateau du Lizon
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 744 distinct species · 534 363 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 Bassin de l'Ain : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 106 interactions GloBI sur 6 types (connectance 20.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
8,3°C
Annual rain
1 160mm
Moisture idx (CMI)
0,33
Runoff
1 016mm/an
PET
773mm
AET
675mm
Mean slope
6,2°
Water table
235cm
Forest
72%
Crops
3%
Urban
1%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)