Rivière· 72 segments
Le Loir
Crosses 5 administrative regions : Eure-et-Loir, Indre-et-Loire, Loir-et-Cher, Maine-et-Loire, Sarthe
Total length
350km
Max discharge
49,6m³/s
Max Strahler
5
Segments matched
72
River geography5 admin regions · 115 communes
5 administrative regions crossed (GADM L2)
- Eure-et-LoirCentre-Val de Loire · France101.9 kmin this dpt
- SarthePays de la Loire · France98.8 kmin this dpt
- Loir-et-CherCentre-Val de Loire · France82.7 kmin this dpt
- Maine-et-LoirePays de la Loire · France35.8 kmin this dpt
- Indre-et-LoireCentre-Val de Loire · France0.0 kmin this dpt
115 communes (L5)For countries with L5
- Bonneval13.10 km
- La Flèche11.65 km
- Luché-Pringé10.47 km
- Morée9.57 km
- Le Lude9.51 km
- Vaas9.19 km
- Lunay8.77 km
- Seiches-sur-le-Loir7.80 km
- Montoire-sur-le-Loir6.86 km
- Illiers-Combray6.85 km
- Bazouges-sur-le-Loir6.83 km
- Cloyes-sur-le-Loir6.40 km
- Durtal6.36 km
- La Chapelle-aux-Choux6.30 km
- Alluyes6.03 km
- Saumeray5.99 km
- Saint-Maur-sur-le-Loir5.77 km
- Pezou5.39 km
- Saint-Denis-les-Ponts5.35 km
- Thoré-la-Rochette5.33 km
- Saint-Martin-des-Bois5.22 km
- Saint-Christophe4.69 km
- Corzé4.67 km
- Châteaudun4.58 km
- Huillé4.58 km
- Flée4.56 km
- Marchéville4.30 km
- Douy4.25 km
- Lavardin4.25 km
- Saint-Avit-les-Guespières4.20 km
- Marboué4.17 km
- Naveil4.06 km
- Baracé3.96 km
- Montabon3.82 km
- Vievy-le-Rayé3.79 km
- Saint-Arnoult3.75 km
- Saint-Jean-Froidmentel3.62 km
- Clermont-Créans3.36 km
- Thoiré-sur-Dinan3.35 km
- Chahaignes3.26 km
- Vendôme3.23 km
- La Chartre-sur-le-Loir3.22 km
- Jupilles3.16 km
- Villevêque3.16 km
- Dissay-sous-Courcillon3.12 km
- Pré-Saint-Évroult3.09 km
- Montigny-le-Gannelon3.03 km
- Moriers2.95 km
- Nogent-sur-Loir2.79 km
- Cernay2.78 km
- Saint-Hilaire-la-Gravelle2.69 km
- Saint-Firmin-des-Prés2.66 km
- Charonville2.63 km
- Bouville2.60 km
- Montboissier2.46 km
- Saint-Hilaire-sur-Yerre2.45 km
- Marçon2.44 km
- Villiers-sur-Loir2.33 km
- Tréhet2.33 km
- Montreuil-sur-Loir2.30 km
- Vouvray-sur-Loir2.12 km
- Saint-Ouen2.09 km
- Lhomme2.09 km
- Brévainville2.04 km
- Villavard1.96 km
- Les Châtelliers-Notre-Dame1.74 km
- Aubigné-Racan1.71 km
- Ruillé-sur-Loir1.47 km
- Saint-Germain-d'Arcé1.45 km
- Donnemain-Saint-Mamès1.05 km
- Tiercé1.05 km
- Soucelles1.02 km
- Fréteval0.99 km
- Cré0.98 km
- Lézigné0.93 km
- Thorée-les-Pins0.83 km
- Saint-Rimay0.75 km
- Romilly-sur-Aigre0.73 km
- Château-du-Loir0.60 km
- Mazangé0.55 km
- La Bruère-sur-Loir0.55 km
- Lisle0.48 km
- Mézières-au-Perche0.35 km
- Autheuil0.21 km
- Moléans0.09 km
- Les Corvées-les-Yys0.00 km
- Langey0.00 km
- La Chapelle-du-Noyer0.00 km
- Fruncé0.00 km
- Trizay-lès-Bonneval0.00 km
- Pré-Saint-Martin0.00 km
- Le Gault-Saint-Denis0.00 km
- Mareil-sur-Loir0.00 km
- Dissé-sous-le-Lude0.00 km
- Flacey0.00 km
- Dancy0.00 km
- Saint-Éman0.00 km
- Magny0.00 km
- Saint-Denis-des-Puits0.00 km
- Fontaine-les-Coteaux0.00 km
- Areines0.00 km
- Meslay0.00 km
- Sasnières0.00 km
- Sarrigné0.00 km
- Prunay-Cassereau0.00 km
- Andard0.00 km
- Lignières0.00 km
- Les Rairies0.00 km
- Busloup0.00 km
- Villedieu-le-Château0.00 km
- Broc0.00 km
- Beaumont-Pied-de-Bœuf0.00 km
- Saint-Jacques-des-Guérets0.00 km
- Houssay0.00 km
- Villiers-au-Bouin0.00 km
20 intersecting protected areas
Loire-Anjou-Touraine
IUCN VRegional Nature Park
Beauce et vallée de la Conie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Special Areas of Conservation (Habitats Directive)
Basses vallées angevines et prairies de la Baumette
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Basses Vallées Angevines
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Châtaigneraies à Osmoderma eremita au sud du Mans
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée du Narais, forêt de Bercé et ruisseau du Dinan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée du Loir de Vaas à Bazouges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée du Loir et affluents aux environs de Châteaudun
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11 more protected areassorted by area
Regional Nature Reserve
Special Areas of Conservation (Habitats Directive)
Regional Nature Reserve
Land acquired by a regional conservatory of natural areas
La Gougeonniere
IUCN IVBiotope Protection Order
pres des rivieres (les)
IUCN IVLand acquired by a regional conservatory of natural areas
Regional Nature Reserve
Land acquired by a regional conservatory of natural areas
Biotope Protection Order
croc marbot (le)
IUCN IVLand acquired by a regional conservatory of natural areas
Biotope Protection Order
1 page = 1 named river (aggregation of 72 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
792 distinct species · 4 792 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Le Loir : 11 espèces reliées par 21 interactions GloBI sur 2 types (connectance 17.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
350km
Max discharge
49,6m³/s
Max Strahler
5
Segments matched
72
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.