HydroBASINS lev08 watershed · #2080536360
Bassin de la Saône
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 : Ain, Rhône
Sub-basin area
365,7km²
Upstream area
29 000,6km²
Discharge
508,31m³/s
Mean elev.
264m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de l'Azergues882 km²
- Bassin de la Saône357 km²
- Bassin · #208010180076 km²
2 dept-equivalent regions (GADM L2)
- 184.4 km²50.3% of basin
- 182.2 km²49.7% of basin
70 communes (GADM L5)Available for FRA, RWA
- Civrieux19.41 km²95% commune
- Mionnay19.31 km²97% commune
- Quincieux16.57 km²93% commune
- Miribel15.90 km²65% commune
- Reyrieux15.86 km²100% commune
- Savigneux14.09 km²91% commune
- Saint-Jean-de-Thurigneux13.69 km²85% commune
- Tramoyes12.86 km²100% commune
- Chasselay12.08 km²94% commune
- Rancé9.72 km²100% commune
- Dardilly8.54 km²61% commune
- Cailloux-sur-Fontaines8.45 km²100% commune
- Écully8.28 km²100% commune
- Genay8.20 km²100% commune
- Saint-Didier-au-Mont-d'Or8.05 km²100% commune
- Lyon, 9e arrondissement8.04 km²100% commune
- Misérieux7.81 km²100% commune
- Saint-Cyr-au-Mont-d'Or7.05 km²100% commune
- Montanay7.03 km²100% commune
- Ambérieux-en-Dombes6.82 km²42% commune
- Saint-Didier-de-Formans6.53 km²100% commune
- Poleymieux-au-Mont-d'Or6.50 km²98% commune
- Rillieux-la-Pape6.48 km²43% commune
- Ars-sur-Formans5.63 km²96% commune
- Saint-André-de-Corcy5.58 km²26% commune
- Neuville-sur-Saône5.54 km²100% commune
- Limonest5.45 km²59% commune
- Saint-Germain-au-Mont-d'Or5.38 km²100% commune
- Trévoux5.32 km²100% commune
- Sathonay-Village5.10 km²100% commune
- Caluire-et-Cuire4.99 km²48% commune
- Sainte-Euphémie4.69 km²100% commune
- Toussieux4.18 km²100% commune
- Lyon, 5e arrondissement3.87 km²66% commune
- Collonges-au-Mont-d'Or3.78 km²100% commune
- Massieux3.49 km²100% commune
- Ambérieux3.36 km²70% commune
- Couzon-au-Mont-d'Or3.11 km²100% commune
- Parcieux2.98 km²100% commune
- Fleurieu-sur-Saône2.97 km²100% commune
- Curis-au-Mont-d'Or2.96 km²100% commune
- Champagne-au-Mont-d'Or2.73 km²100% commune
- Saint-Romain-au-Mont-d'Or2.63 km²100% commune
- Fontaines-Saint-Martin2.63 km²100% commune
- Albigny-sur-Saône2.63 km²100% commune
- Fontaines-sur-Saône2.62 km²100% commune
- Anse2.45 km²16% commune
- Lyon, 2e arrondissement2.26 km²65% commune
- Beynost2.12 km²19% commune
- Lyon, 4e arrondissement2.09 km²75% commune
- Tassin-la-Demi-Lune2.07 km²25% commune
- Saint-Maurice-de-Beynost1.83 km²27% commune
- Saint-Bernard1.77 km²55% commune
- Montluel1.77 km²4% commune
- Sathonay-Camp1.48 km²100% commune
- Sainte-Foy-lès-Lyon1.31 km²20% commune
- La Mulatière1.26 km²62% commune
- Rochetaillée-sur-Saône1.17 km²100% commune
- Villeneuve1.08 km²4% commune
- Lyon, 1er arrondissement0.99 km²70% commune
- Charbonnières-les-Bains0.78 km²20% commune
- Les Chères0.77 km²14% commune
- Neyron0.63 km²12% commune
- La Boisse0.61 km²7% commune
- Frans0.42 km²5% commune
- Jassans-Riottier0.32 km²6% commune
- Lissieu0.29 km²5% commune
- Pommiers0.25 km²3% commune
- Chaleins0.05 km²0% commune
- Lyon, 7e arrondissement0.02 km²0% commune
4 intersecting protected areas
La Dombes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
24.45 km² overlap
La Dombes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
24.45 km² overlap
La Dombes
IUCN Not ReportedWetland of International Importance (Ramsar Site)
24.45 km² overlap
marais des echets
IUCN IVLand acquired by a regional conservatory of natural areas
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 631 distinct species · 338 730 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 Bassin de la Saône : 35 espèces + 4 bulles famille, 64 interactions GloBI documentées sur 6 types (connectance 8.6%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,1°C
Annual rain
794mm
Moisture idx (CMI)
-0,12
Runoff
398mm/an
PET
900mm
AET
653mm
Mean slope
3,0°
Water table
181cm
Forest
8%
Crops
57%
Urban
42%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)