Rivière· 11 segments
Le Fier
Crosses 3 administrative regions : Ain, Haute-Savoie, Savoie
Total length
74km
Max discharge
29,8m³/s
Max Strahler
4
Segments matched
11
River geography3 admin regions · 30 communes
3 administrative regions crossed (GADM L2)
- Haute-SavoieAuvergne-Rhône-Alpes · France32.6 kmin this dpt
- SavoieAuvergne-Rhône-Alpes · France1.0 kmin this dpt
- AinAuvergne-Rhône-Alpes · France0.4 kmin this dpt
30 communes (L5)For countries with L5
- Manigod5.43 km
- Vallières4.67 km
- Val-de-Fier3.48 km
- Thônes3.07 km
- La Balme-de-Thuy2.85 km
- Alex2.18 km
- Seyssel2.06 km
- Thusy1.59 km
- Cran-Gevrier1.24 km
- Versonnex1.15 km
- Les Clefs1.12 km
- Motz0.98 km
- Meythet0.81 km
- Dingy-Saint-Clair0.73 km
- Annecy-le-Vieux0.61 km
- Annecy0.55 km
- Anglefort0.42 km
- Saint-Eusèbe0.38 km
- Menthonnex-sous-Clermont0.28 km
- Metz-Tessy0.26 km
- Lornay0.06 km
- Rumilly0.05 km
- Crempigny-Bonneguête0.00 km
- Poisy0.00 km
- Pringy0.00 km
- Sales0.00 km
- Corbonod0.00 km
- Seyssel0.00 km
- Chavanod0.00 km
- Moye0.00 km
8 intersecting protected areas
Les Aravis
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Les Aravis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Les Frettes - Massif des Glières
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Les Frettes - massif des Glières
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Massif de la Tournette
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Forêts alluviales et lônes du Haut Rhône
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Forêts alluviales et lônes du Haut Rhône
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Biotope Protection Order
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 321 distinct species · 28 059 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Fier : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 89 interactions GloBI documentées sur 4 types (connectance 13.4%, filtre Serrano α=0.2). Les 5 bulles regroupent 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
74km
Max discharge
29,8m³/s
Max Strahler
4
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.