HydroBASINS lev08 watershed · #2080484760
Bassin de la Loire
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 1 administrative regions : Loiret
Sub-basin area
221,8km²
Upstream area
37 063km²
Discharge
351,47m³/s
Mean elev.
116m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Loire1982 km²
- Bassin de Canal d'Orléans234 km²
1 dept-equivalent regions (GADM L2)
- 222.4 km²100.0% of basin
28 communes (GADM L5)Available for FRA, RWA
- Loury28.38 km²80% commune
- Orléans16.93 km²60% commune
- Saint-Denis-en-Val16.78 km²99% commune
- Chanteau15.78 km²55% commune
- Saint-Jean-de-Braye14.29 km²100% commune
- Chécy13.38 km²86% commune
- Rebréchien12.89 km²66% commune
- Saran12.24 km²64% commune
- Traînou12.19 km²37% commune
- Vennecy11.05 km²100% commune
- Fleury-les-Aubrais10.25 km²100% commune
- Marigny-les-Usages9.36 km²100% commune
- Semoy7.62 km²100% commune
- Boigny-sur-Bionne7.06 km²100% commune
- Saint-Jean-de-la-Ruelle6.39 km²100% commune
- Sandillon6.37 km²14% commune
- Saint-Jean-le-Blanc5.87 km²78% commune
- Saint-Pryvé-Saint-Mesmin4.04 km²46% commune
- Mardié3.87 km²23% commune
- La Chapelle-Saint-Mesmin2.70 km²30% commune
- Cercottes1.71 km²7% commune
- Ingré1.58 km²8% commune
- Combleux1.06 km²100% commune
- Bougy-lez-Neuville0.35 km²2% commune
- Bou0.17 km²3% commune
- Chilleurs-aux-Bois0.10 km²0% commune
- Saint-Cyr-en-Val0.04 km²0% commune
- Donnery0.01 km²0% commune
6 intersecting protected areas
Vallée de la Loire du Loiret
IUCN Not ReportedSpecial Protection Area (Birds Directive)
8.82 km² overlap
Vallée de la Loire de Tavers à Belleville-sur-Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8.07 km² overlap
Forêt d'Orléans
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.90 km² overlap
Saint-Mesmin
IUCN IVNational Nature Reserve
0.70 km² overlap
Forêt d'Orléans et périphérie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.69 km² overlap
Protected perimeter around a national nature reserve
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 815 distinct species · 95 203 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
10,8°C
Annual rain
642mm
Moisture idx (CMI)
-0,24
Runoff
217mm/an
PET
845mm
AET
542mm
Mean slope
0,8°
Water table
44cm
Forest
10%
Crops
33%
Urban
42%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)