Fleuve· 117 segments
La Garonne
Crosses 6 administrative regions : Gironde, Haute-Garonne, Hautes-Pyrénées, Lleida, Lot-et-Garonne +1
Total length
504km
Max discharge
664,1m³/s
Max Strahler
7
Segments matched
117
River geography6 admin regions · 265 communes
6 administrative regions crossed (GADM L2)
- Haute-GaronneOccitanie · France185.1 kmin this dpt
- Lot-et-GaronneNouvelle-Aquitaine · France92.7 kmin this dpt
- GirondeNouvelle-Aquitaine · France89.4 kmin this dpt
- Tarn-et-GaronneOccitanie · France69.4 kmin this dpt
- Hautes-PyrénéesOccitanie · France5.7 kmin this dpt
- LleidaCataluña · Spain1.6 kmin this dpt
265 communes (L5)For countries with L5
- Toulouse15.21 km
- Bordeaux11.61 km
- Castelsarrasin9.69 km
- Verdun-sur-Garonne8.49 km
- Muret8.39 km
- Marmande7.58 km
- Portet-sur-Garonne7.48 km
- La Réole7.30 km
- Tonneins7.18 km
- Carbonne7.10 km
- Melles6.91 km
- Grenade6.77 km
- Roques6.15 km
- Lamagistère6.11 km
- Fos6.00 km
- Le Fauga5.75 km
- Saint-Nicolas-de-la-Grave5.55 km
- Roquefort-sur-Garonne4.78 km
- Sainte-Bazeille4.50 km
- Saint-Louis-de-Montferrand4.28 km
- Espalais4.19 km
- Colayrac-Saint-Cirq4.18 km
- Saint-Loup4.17 km
- Gagnac-sur-Garonne4.10 km
- Capens4.06 km
- Marignac4.05 km
- Marquefave4.03 km
- Saint-Jory3.94 km
- Mauran3.91 km
- Jusix3.81 km
- Bourdelles3.75 km
- Barie3.69 km
- Grisolles3.69 km
- Saint-Martory3.59 km
- Lafox3.58 km
- Malause3.51 km
- Boé3.49 km
- Quinsac3.45 km
- Rions3.43 km
- Meilhan-sur-Garonne3.38 km
- Marcellus3.35 km
- Fenouillet3.33 km
- Feugarolles3.29 km
- Couthures-sur-Garonne3.26 km
- Bassens3.22 km
- Noé3.22 km
- Saubens3.15 km
- Saint-Béat3.08 km
- Talence2.94 km
- Chaum2.93 km
- Finhan2.92 km
- Nicole2.85 km
- Portets2.85 km
- Pinsaguel2.80 km
- Monbéqui2.63 km
- Sauveterre-Saint-Denis2.56 km
- Baurech2.52 km
- Loures-Barousse2.50 km
- Castelnau-d'Estrétefonds2.46 km
- Ausson2.44 km
- Mas-Grenier2.42 km
- Castets-en-Dorthe2.40 km
- Palaminy2.36 km
- Paillet2.35 km
- Lez2.35 km
- Lestelle-de-Saint-Martory2.32 km
- Boutx2.24 km
- Galié2.21 km
- Lestiac-sur-Garonne2.19 km
- Salles-sur-Garonne2.15 km
- Ore2.15 km
- Fronsac2.14 km
- Mauzac2.12 km
- Aiguillon2.12 km
- Luscan2.11 km
- Lormont2.08 km
- Saint-Romain-le-Noble2.06 km
- Martres-Tolosane2.06 km
- Sérignac-sur-Garonne2.04 km
- Tibiran-Jaunac2.04 km
- Le Passage2.01 km
- Golfech1.99 km
- Merles1.99 km
- Labarthe-Inard1.94 km
- Bordes-de-Rivière1.90 km
- Arlos1.90 km
- Saint-Pardoux-du-Breuil1.86 km
- Thouars-sur-Garonne1.85 km
- Bourret1.83 km
- Cordes-Tolosannes1.83 km
- Cambes1.79 km
- Agen1.79 km
- Sénestis1.78 km
- Saint-Jean-de-Thurac1.77 km
- Labroquère1.76 km
- Gourdan-Polignan1.75 km
- Blanquefort1.72 km
- Béguey1.70 km
- Lagruère1.70 km
- Saint-Pardon-de-Conques1.70 km
- Pointis-de-Rivière1.68 km
- Gaujac1.66 km
- Clermont-Soubiran1.65 km
- Castelferrus1.65 km
- Moirax1.60 km
- Barsac1.60 km
- Donzac1.55 km
- Saint-Hilaire-de-Lusignan1.52 km
- Beauzelle1.46 km
- Isle-Saint-Georges1.44 km
- Saint-Pierre-de-Mons1.43 km
- Saint-Macaire1.41 km
- Mancioux1.37 km
- Villeneuve-de-Rivière1.36 km
- Ponlat-Taillebourg1.32 km
- Taillebourg1.31 km
- Ondes1.30 km
- Vieille-Toulouse1.29 km
- Port-Sainte-Marie1.29 km
- Boudou1.27 km
- Grayssas1.26 km
- Layrac1.20 km
- Clarac1.19 km
- Roquettes1.19 km
- Montréjeau1.19 km
- Auvillar1.19 km
- Pessac1.16 km
- Bouliac1.16 km
- Casseuil1.15 km
- Arbanats1.11 km
- Floudès1.07 km
- Floirac1.06 km
- Boussens1.06 km
- Escatalens1.06 km
- Caudecoste1.05 km
- Villeton1.02 km
- Saint-Pierre-d'Aurillac1.01 km
- Langoiran0.99 km
- Saint-Sixte0.97 km
- Fauillet0.95 km
- Merville0.93 km
- Blagnac0.93 km
- Saint-Léger0.93 km
- Podensac0.92 km
- Castillon-de-Saint-Martory0.90 km
- Fourques-sur-Garonne0.88 km
- Labarthe-Rivière0.87 km
- Montespan0.87 km
- Seilhan0.86 km
- Mazères-sur-Salat0.83 km
- Gironde-sur-Dropt0.82 km
- Eup0.81 km
- Loupiac0.81 km
- Saint-Nicolas-de-la-Balerme0.79 km
- Bertren0.79 km
- Monheurt0.78 km
- Saint-Aignan0.73 km
- Brax0.71 km
- Parempuyre0.68 km
- Argut-Dessous0.67 km
- Caudrot0.67 km
- Bègles0.65 km
- Arnaud-Guilhem0.63 km
- Saint-Porquier0.61 km
- Tabanac0.60 km
- Montaut0.59 km
- Cadillac0.58 km
- Toulenne0.57 km
- Saint-Sauveur0.54 km
- Hure0.53 km
- Beautiran0.50 km
- Caumont-sur-Garonne0.49 km
- Saint-Martin-de-Sescas0.46 km
- Le Pian-sur-Garonne0.43 km
- Sainte-Colombe-en-Bruilhois0.41 km
- Saint-Bertrand-de-Comminges0.41 km
- Pointis-Inard0.37 km
- Castres-Gironde0.37 km
- Cassagne0.37 km
- Virelade0.36 km
- Mazères-de-Neste0.36 km
- Valence0.35 km
- Rieux-Volvestre0.34 km
- Seilh0.32 km
- Ludon-Médoc0.30 km
- Valcabrère0.25 km
- Capian0.22 km
- Langon0.20 km
- Saint-Urcisse0.19 km
- Le Tourne0.16 km
- Barbazan0.11 km
- Montesquieu0.04 km
- Clermont-Dessous0.02 km
- Valentine0.01 km
- Saléchan0.00 km
- Ambarès-et-Lagrave0.00 km
- Cenon0.00 km
- Camblanes-et-Meynac0.00 km
- Latresne0.00 km
- Cadaujac0.00 km
- Saint-Médard-d'Eyrans0.00 km
- Ambès0.00 km
- Villenave-d'Ornon0.00 km
- Bassanne0.00 km
- Puybarban0.00 km
- Sainte-Croix-du-Mont0.00 km
- Villenave-de-Rions0.00 km
- Blaignac0.00 km
- Fontet0.00 km
- Lamothe-Landerron0.00 km
- Loupiac-de-la-Réole0.00 km
- Mongauzy0.00 km
- Montagoudin0.00 km
- Saint-Loubert0.00 km
- Cérons0.00 km
- Preignac0.00 km
- Saint-Maixant0.00 km
- Verdelais0.00 km
- Foulayronnes0.00 km
- Castelculier0.00 km
- Saint-Pierre-de-Clairac0.00 km
- Le Mas-d'Agenais0.00 km
- Saint-Martin-Petit0.00 km
- Cocumont0.00 km
- Buzet-sur-Baïse0.00 km
- Vianne0.00 km
- Lafitte-Vigordane0.00 km
- Longages0.00 km
- Cazères0.00 km
- Montclar-de-Comminges0.00 km
- Saint-Élix-le-Château0.00 km
- Frouzins0.00 km
- Lavernose-Lacasse0.00 km
- Seysses0.00 km
- Bagiry0.00 km
- Antichan-de-Frontignes0.00 km
- Frontignan-de-Comminges0.00 km
- Huos0.00 km
- Lourde0.00 km
- Mont-de-Galié0.00 km
- Bezins-Garraux0.00 km
- Cierp-Gaud0.00 km
- Esténos0.00 km
- Beauchalot0.00 km
- Laffite-Toupière0.00 km
- Figarol0.00 km
- Montsaunès0.00 km
- Lacroix-Falgarde0.00 km
- Pechbusque0.00 km
- Lespinasse0.00 km
- Villeneuve-lès-Bouloc0.00 km
- Aussonne0.00 km
- Aucamville0.00 km
- Villeneuve-Tolosane0.00 km
- Anla0.00 km
- Sainte-Marie0.00 km
- Izaourt0.00 km
- Sarp0.00 km
- Saint-Michel0.00 km
- Moissac0.00 km
- Castelmayran0.00 km
- Garganvillar0.00 km
- Bessens0.00 km
- Montech0.00 km
- Aucamville0.00 km
30 intersecting protected areas
Médoc
IUCN VRegional Nature Park
Vallées du Tarn, de l'Aveyron, du Viaur, de l'Agout et du Gijou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Baish Aran
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Baish Aran
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Haute vallée de la Garonne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Haute vallée de la Garonne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Garonne, Ariège, Hers, Salat, Pique et Neste
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sant Joan de Toran
IUCN VProtection Plan
Zones rupestres xérothermiques du bassin de Marignac, Saint-Béat, pic du Gar, montagne de Rié
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
21 more protected areassorted by area
La Garonne en Nouvelle-Aquitaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Réseau hydrographique du Dropt
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Chaînons calcaires du Piémont Commingeois
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Garonne de Muret à Moissac
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée du Ciron
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Protection Plan
Marais du Bec d'Ambès
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Garonne de Boussens à Carbonne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Garonne Et Section Du Lot
IUCN IVBiotope Protection Order
Biotope Protection Order
Bocage humide de Cadaujac et Saint-Médard-d'Eyrans
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Réseau hydrographique du Gat Mort et du Saucats
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Biotope Protection Order
Réseau hydrographique du Lisos
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Réseau hydrographique du Beuve
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Confluence Garonne-Ariège
IUCN IVRegional Nature Reserve
Burat
IUCN IVForest Managed Biological Reserve
Biotope Protection Order
L'Ourbise
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de l'Euille
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Réseau hydrographique du Brion
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 117 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
9 603 distinct species · 527 411 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Garonne : 43 espèces + 4 bulles famille, 78 interactions GloBI documentées sur 6 types (connectance 7.2%, 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
504km
Max discharge
664,1m³/s
Max Strahler
7
Segments matched
117
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.