HydroBASINS lev08 watershed · #2080542080
Bassin de l'Isère
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 : Isère, Savoie
Sub-basin area
306,4km²
Upstream area
4 984,9km²
Discharge
76,1m³/s
Mean elev.
657m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de l'Isère2699 km²
- Bassin de l'Arc1980 km²
2 dept-equivalent regions (GADM L2)
- 280.1 km²91.2% of basin
- 27.0 km²8.8% of basin
59 communes (GADM L5)Available for FRA, RWA
- Chapareillan21.20 km²69% commune
- Saint-Pierre-d'Albigny19.16 km²100% commune
- Saint-Jean-de-la-Porte16.04 km²100% commune
- La Table14.90 km²100% commune
- Les Marches13.27 km²84% commune
- Presle11.48 km²100% commune
- Cruet10.25 km²100% commune
- Coise-Saint-Jean-Pied-Gauthier10.10 km²100% commune
- Fréterive9.20 km²82% commune
- Saint-Pierre-de-Soucy9.13 km²100% commune
- Le Pontet8.51 km²98% commune
- Arvillard8.29 km²28% commune
- Chignin8.06 km²98% commune
- Le Verneil7.91 km²100% commune
- Chamoux-sur-Gelon7.62 km²72% commune
- Montendry7.06 km²83% commune
- Châteauneuf7.05 km²100% commune
- Francin7.02 km²100% commune
- Sainte-Hélène-du-Lac6.87 km²100% commune
- Bourget-en-Huile6.80 km²100% commune
- Villard-Léger6.67 km²100% commune
- La Thuile6.59 km²37% commune
- Laissaud6.02 km²89% commune
- Montmélian6.00 km²100% commune
- Les Mollettes5.40 km²100% commune
- Villard-d'Héry4.93 km²100% commune
- Champ-Laurent4.87 km²100% commune
- La Trinité4.75 km²100% commune
- Chamousset4.53 km²69% commune
- Planaise3.95 km²100% commune
- Barraux3.83 km²35% commune
- Betton-Bettonet3.62 km²100% commune
- La Rochette3.53 km²74% commune
- La Croix-de-la-Rochette3.11 km²100% commune
- Villard-Sallet3.09 km²100% commune
- La Chavanne2.94 km²100% commune
- Villaroux2.67 km²87% commune
- Étable2.44 km²100% commune
- Hauteville2.42 km²100% commune
- Myans2.20 km²62% commune
- Pontcharra1.96 km²12% commune
- Saint-Jeoire-Prieuré1.87 km²39% commune
- Rotherens1.64 km²100% commune
- Arbin1.59 km²100% commune
- École1.37 km²4% commune
- Aillon-le-Jeune1.15 km²3% commune
- Saint-Alban-des-Hurtières0.92 km²5% commune
- Bourgneuf0.91 km²14% commune
- Sainte-Reine0.90 km²7% commune
- La Chapelle-Blanche0.64 km²15% commune
- Apremont0.23 km²1% commune
- Aiton0.19 km²1% commune
- Curienne0.15 km²2% commune
- Saint-Georges-des-Hurtières0.05 km²0% commune
- Puygros0.04 km²0% commune
- Saint-Rémy-de-Maurienne0.03 km²0% commune
- Thoiry0.03 km²0% commune
- Saint-Pierre-de-Belleville0.01 km²0% commune
- Grésy-sur-Isère0.00 km²0% commune
30 intersecting protected areas
Massif Des Bauges
IUCN VRegional Nature Park
85.16 km² overlap
Chartreuse
IUCN VRegional Nature Park
37.10 km² overlap
Partie orientale du massif des Bauges
IUCN Not ReportedSpecial Protection Area (Birds Directive)
14.89 km² overlap
Partie orientale du Massif des Bauges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.89 km² overlap
Rebord méridional du Massif des Bauges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8.51 km² overlap
Rebord méridional du massif des Bauges
IUCN Not ReportedSpecial Protection Area (Birds Directive)
8.51 km² overlap
Special Areas of Conservation (Habitats Directive)
5.82 km² overlap
Hauts De Chartreuse
IUCN IVNational Nature Reserve
3.13 km² overlap
Hauts de Chartreuse
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.13 km² overlap
21 more protected areassorted by overlap area
Réseau de zones humides et alluviales des Hurtières
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.87 km² overlap
Biotope Protection Order
1.15 km² overlap
Biotope Protection Order
0.79 km² overlap
Zones Humides De Planaise
IUCN IVBiotope Protection Order
0.44 km² overlap
val coisin
IUCN IVLand acquired by a regional conservatory of natural areas
0.40 km² overlap
Les Bauges
IUCN IVNational Hunting and Wildlife Reserve
0.33 km² overlap
Biotope Protection Order
0.13 km² overlap
corniolo
IUCN IVLand acquired by a regional conservatory of natural areas
0.08 km² overlap
les delaisses de l\'isere
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
la foussa
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
Land acquired by a regional conservatory of natural areas
0.06 km² overlap
Marais Des Etelles
IUCN IVBiotope Protection Order
0.05 km² overlap
Lac De Bey Et Lac Froment
IUCN IVBiotope Protection Order
0.05 km² overlap
pre de gex
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
boucherance - la lilette
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
la generale
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 km² overlap
marais de bondeloge
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 km² overlap
les iles
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 km² overlap
les etelles
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
cruet-ferroux
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
les iles du bourg
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 859 distinct species · 124 892 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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'Isère : 32 espèces + 6 bulles famille, 91 interactions GloBI documentées sur 5 types (connectance 12.9%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,3°C
Annual rain
980mm
Moisture idx (CMI)
0,07
Runoff
556mm/an
PET
879mm
AET
678mm
Mean slope
14,3°
Water table
533cm
Forest
81%
Crops
3%
Urban
6%
Protected
40%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)