Rivière· 59 segments
La Vilaine
Crosses 4 administrative regions : Ille-et-Vilaine, Loire-Atlantique, Mayenne, Morbihan
Total length
249km
Max discharge
168,7m³/s
Max Strahler
6
Segments matched
59
River geography4 admin regions · 74 communes
4 administrative regions crossed (GADM L2)
- Ille-et-VilaineBretagne · France146.4 kmin this dpt
- MorbihanBretagne · France44.7 kmin this dpt
- Loire-AtlantiquePays de la Loire · France20.3 kmin this dpt
- MayennePays de la Loire · France11.3 kmin this dpt
74 communes (L5)For countries with L5
- Rennes9.90 km
- Nivillac9.30 km
- Saint-M'Hervé8.83 km
- Guipry7.84 km
- Cesson-Sévigné7.40 km
- Châteaubourg7.10 km
- Bruz6.99 km
- Saint-Nicolas-de-Redon6.91 km
- Saint-Aubin-des-Landes6.89 km
- La Croixille6.64 km
- Messac6.41 km
- Marzan6.39 km
- Massérac6.10 km
- Vitré5.76 km
- Arzal5.55 km
- Rieux5.49 km
- Pocé-les-Bois5.24 km
- Servon-sur-Vilaine5.05 km
- Saint-Dolay4.89 km
- Pacé4.86 km
- Langon4.70 km
- Sainte-Anne-sur-Vilaine4.66 km
- Bourg-des-Comptes4.63 km
- Chavagne4.13 km
- Saint-Malo-de-Phily3.95 km
- Acigné3.82 km
- Férel3.61 km
- Saint-Jean-sur-Vilaine3.56 km
- Guichen3.31 km
- Bourgon3.23 km
- Saint-Didier3.14 km
- Pléchâtel2.89 km
- Saint-Senoux2.89 km
- Avessac2.78 km
- Goven2.64 km
- Béganne2.27 km
- Le Rheu2.16 km
- Fégréac2.14 km
- Vezin-le-Coquet2.11 km
- Camoël2.10 km
- Péaule2.08 km
- Noyal-sur-Vilaine1.98 km
- Princé1.91 km
- Redon1.80 km
- Brécé1.74 km
- Pierric1.67 km
- Laillé1.61 km
- Balazé1.56 km
- Cornillé1.54 km
- Juvigné1.44 km
- Théhillac1.17 km
- Mordelles1.05 km
- Thorigné-Fouillard0.93 km
- Saint-Jean-la-Poterie0.81 km
- La Chapelle-de-Brain0.70 km
- Guémené-Penfao0.68 km
- Allaire0.48 km
- La Chapelle-Erbrée0.45 km
- Muzillac0.38 km
- Erbrée0.32 km
- La Roche-Bernard0.18 km
- Herbignac0.00 km
- Sévérac0.00 km
- Saint-Ganton0.00 km
- Étrelles0.00 km
- Montautour0.00 km
- L'Hermitage0.00 km
- Bréal-sous-Montfort0.00 km
- Pipriac0.00 km
- Torcé0.00 km
- Saint-Jacques-de-la-Lande0.00 km
- Champeaux0.00 km
- Pénestin0.00 km
- Saint-Perreux0.00 km
11 intersecting protected areas
Brière
IUCN VRegional Nature Park
Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Baie de Vilaine
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Estuaire de la Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Chiroptères du Morbihan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Les Rochers du Ruicard
IUCN Not ReportedGeotope Protection Order
Le Moustoir en Arzal
IUCN Not ReportedGeotope Protection Order
La Carrière des Landes
IUCN Not ReportedGeotope Protection Order
Biotope Protection Order
2 more protected areassorted by area
Biotope Protection Order
Biotope Protection Order
1 page = 1 named river (aggregation of 59 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 505 distinct species · 17 648 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 La Vilaine : 13 espèces reliées par 40 interactions GloBI sur 4 types (connectance 38.1%, filtre Serrano α=0.2). 2 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
249km
Max discharge
168,7m³/s
Max Strahler
6
Segments matched
59
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.