Rivière· 10 segments
La Grosne
Crosses 2 administrative regions : Rhône, Saône-et-Loire
Total length
106km
Max discharge
14m³/s
Max Strahler
4
Segments matched
10
River geography2 admin regions · 31 communes
2 administrative regions crossed (GADM L2)
- Saône-et-LoireBourgogne-Franche-Comté · France42.7 kmin this dpt
- RhôneAuvergne-Rhône-Alpes · France0.2 kmin this dpt
31 communes (L5)For countries with L5
- Malay6.62 km
- Saint-Pierre-le-Vieux5.75 km
- Saint-Léger-sous-la-Bussière3.63 km
- Cormatin3.33 km
- Saint-Gengoux-le-National3.27 km
- Santilly2.92 km
- Savigny-sur-Grosne2.81 km
- Brandon2.72 km
- Messey-sur-Grosne2.68 km
- Sercy2.64 km
- Varennes-le-Grand2.32 km
- Curtil-sous-Burnand1.48 km
- Ameugny0.80 km
- Trambly0.78 km
- Bray0.55 km
- Taizé0.23 km
- Saint-Bonnet-des-Bruyères0.18 km
- Clermain0.14 km
- La Chapelle-de-Bragny0.00 km
- Bresse-sur-Grosne0.00 km
- Ouroux-sur-Saône0.00 km
- Marnay0.00 km
- Saint-Boil0.00 km
- Tramayes0.00 km
- Montagny-sur-Grosne0.00 km
- Trades0.00 km
- Massilly0.00 km
- Bonnay0.00 km
- Burnand0.00 km
- Cortevaix0.00 km
- Saint-Cyr0.00 km
5 intersecting protected areas
Special Areas of Conservation (Habitats Directive)
Prairies alluviales et milieux associés de Saône-et-Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Prairies et forêts inondables du Val de Saône entre Chalon et Tournus et de la basse vallée de la Grosne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Côte châlonnaise
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Land acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 643 distinct species · 27 908 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Grosne : 25 espèces + 1 bulle famille, 30 interactions GloBI documentées sur 3 types (connectance 9.2%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
106km
Max discharge
14,0m³/s
Max Strahler
4
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.