Rivière· 113 segments
Le Tarn
Crosses 5 administrative regions : Aveyron, Haute-Garonne, Lozère, Tarn, Tarn-et-Garonne
Total length
389km
Max discharge
202m³/s
Max Strahler
6
Segments matched
113
River geography5 admin regions · 115 communes
5 administrative regions crossed (GADM L2)
- AveyronOccitanie · France114.3 kmin this dpt
- LozèreOccitanie · France97.3 kmin this dpt
- TarnOccitanie · France84.4 kmin this dpt
- Tarn-et-GaronneOccitanie · France43.7 kmin this dpt
- Haute-GaronneOccitanie · France24.6 kmin this dpt
115 communes (L5)For countries with L5
- Sainte-Enimie22.62 km
- Montauban16.25 km
- La Malène11.99 km
- Gaillac11.22 km
- Millau10.85 km
- Le Pont-de-Montvert10.72 km
- Albi9.68 km
- Buzet-sur-Tarn9.26 km
- Montbrun9.00 km
- Broquiès8.40 km
- Comprégnac8.40 km
- Montjaux7.89 km
- Mostuéjouls7.63 km
- Saint-Victor-et-Melvieu6.85 km
- Saint-Georges-de-Luzençon6.83 km
- Ispagnac6.79 km
- Ambialet6.66 km
- Quézac6.26 km
- Brens6.14 km
- Viala-du-Tarn5.78 km
- Les Vignes5.70 km
- Bressols5.61 km
- Saint-Georges-de-Lévéjac5.24 km
- Brousse-le-Château5.24 km
- Loupiac5.21 km
- Creissels5.21 km
- Bessières4.98 km
- Réquista4.94 km
- Le Truel4.82 km
- Bédouès4.78 km
- Saint-Rome-de-Tarn4.77 km
- Saint-Cirgue4.70 km
- Rivière-sur-Tarn4.50 km
- Montans4.07 km
- Rabastens3.70 km
- Villemur-sur-Tarn3.66 km
- Saint-Juéry3.52 km
- Paulhe3.32 km
- Sérénac3.17 km
- Castelnau-de-Lévis2.95 km
- Florac2.94 km
- Brasc2.82 km
- Lescure-d'Albigeois2.81 km
- Villemade2.79 km
- Villebrumier2.74 km
- Saint-Grégoire2.65 km
- Connac2.46 km
- Moissac2.43 km
- Rivières2.40 km
- Saint-Pierre-des-Tripiers2.37 km
- Arthès2.35 km
- La Cresse2.33 km
- Fraissinet-de-Lozère2.28 km
- Ayssènes2.21 km
- Crespinet2.03 km
- La Magdelaine-sur-Tarn2.01 km
- Lizac2.00 km
- Corbarieu1.94 km
- Compeyre1.85 km
- Castelsarrasin1.85 km
- Lisle-sur-Tarn1.75 km
- Marsal1.74 km
- Les Barthes1.68 km
- La Bastide-Solages1.66 km
- Terssac1.61 km
- Mirepoix-sur-Tarn1.59 km
- Nohic1.58 km
- Laval-du-Tarn1.44 km
- Barry-d'Islemade1.34 km
- Cocurès1.30 km
- Villefranche-d'Albigeois1.28 km
- Fraissines1.23 km
- Mas-Saint-Chély1.22 km
- Peyreleau1.22 km
- Saint-Izaire1.22 km
- Saint-Rome-de-Dolan1.21 km
- Le Rozier1.10 km
- Montclar0.99 km
- Bondigoux0.99 km
- Coufouleux0.97 km
- Villematier0.88 km
- Courris0.85 km
- Villefranche-de-Panat0.72 km
- Layrac-sur-Tarn0.70 km
- Labastide-Saint-Pierre0.70 km
- Albefeuille-Lagarde0.68 km
- Reyniès0.67 km
- Castelnau-Pégayrols0.67 km
- Trébas0.63 km
- Les Costes-Gozon0.60 km
- Saint-Nicolas-de-la-Grave0.57 km
- Curvalle0.43 km
- Mézens0.38 km
- Saint-Maurice-de-Ventalon0.37 km
- Roquesérière0.35 km
- Boudou0.35 km
- Lafrançaise0.29 km
- Assac0.28 km
- Orgueil0.23 km
- Gémil0.21 km
- Aguessac0.12 km
- Montastruc-la-Conseillère0.00 km
- Montbartier0.00 km
- Varennes0.00 km
- Les Bondons0.00 km
- Valence-d'Albigeois0.00 km
- Cunac0.00 km
- Saint-Sulpice0.00 km
- Saint-Michel-Labadié0.00 km
- Roquemaure0.00 km
- Labastide-du-Temple0.00 km
- Parisot0.00 km
- Lagrave0.00 km
- Técou0.00 km
- Marssac-sur-Tarn0.00 km
22 intersecting protected areas
Grands Causses
IUCN VRegional Nature Park
National Park - Buffer zone/Area of adhesion
Cévennes
IUCN IINational Park - Core Area
Les Cévennes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Gorges du Tarn et de la Jonte
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Gorges de la Dourbie et causses avoisinants
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallées du Tarn, de l'Aveyron, du Viaur, de l'Agout et du Gijou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Causse Noir et ses corniches
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mont Lozère
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13 more protected areassorted by area
Vallées du Tarn, du Tarnon et de la Mimente
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Garonne, Ariège, Hers, Salat, Pique et Neste
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gorges du Tarn et de la Jonte
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de la Garonne de Muret à Moissac
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée du Tarn (de Brousse jusqu'aux gorges)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Buttes témoins des avant-causses
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Biotope Protection Order
Gorges de la Jonte
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
ferme de la cle des champs
IUCN IVLand acquired by a regional conservatory of natural areas
Gorges du Tarn
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gorges du Tarn
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Cirque et grotte du Boundoulaou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
camp de rose
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 113 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
7 318 distinct species · 288 375 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 Tarn : 33 espèces + 4 bulles famille, 62 interactions GloBI documentées sur 7 types (connectance 9.3%, filtre Serrano α=0.2). Les 4 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
389km
Max discharge
202,0m³/s
Max Strahler
6
Segments matched
113
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.