Rivière· 6 segments
L'Orvanne
Crosses 2 administrative regions : Seine-et-Marne, Yonne
Total length
51km
Max discharge
28,3m³/s
Max Strahler
5
Segments matched
6
River geography2 admin regions · 25 communes
2 administrative regions crossed (GADM L2)
- Seine-et-MarneÎle-de-France · France23.6 kmin this dpt
- YonneBourgogne-Franche-Comté · France17.5 kmin this dpt
25 communes (L5)For countries with L5
- Saint-Valérien5.00 km
- Villethierry4.85 km
- Diant4.67 km
- Flagy4.63 km
- Thoury-Férottes4.13 km
- Blennes3.56 km
- Vallery3.52 km
- Voulx3.22 km
- Dollot3.19 km
- Veneux-les-Sablons1.61 km
- Moret-sur-Loing1.49 km
- Fouchères0.99 km
- Champagne-sur-Seine0.22 km
- Écuelles0.08 km
- Vernou-la-Celle-sur-Seine0.00 km
- Chaumont0.00 km
- Lixy0.00 km
- Saint-Agnan0.00 km
- Chevry-en-Sereine0.00 km
- Noisy-Rudignon0.00 km
- Saint-Ange-le-Viel0.00 km
- Villemaréchal0.00 km
- Dormelles0.00 km
- Saint-Mammès0.00 km
- Thomery0.00 km
10 intersecting protected areas
Massif de Fontainebleau
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Massif de Fontainebleau
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Rivières du Loing et du Lunain
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Land acquired by a regional conservatory of natural areas
Biotope Protection Order
vallee du cygne
IUCN IVLand acquired by a regional conservatory of natural areas
montagne creuse
IUCN IVLand acquired by a regional conservatory of natural areas
vallee de l orvanne
IUCN IVLand acquired by a regional conservatory of natural areas
marais du lutin
IUCN IVLand acquired by a regional conservatory of natural areas
1 more protected areassorted by area
orpheline6
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
799 distinct species · 7 214 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).
Hydrology (HydroRIVERS v10)
Total length
51km
Max discharge
28,3m³/s
Max Strahler
5
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.