Rivière· 62 segments
L'Adour
Crosses 4 administrative regions : Gers, Hautes-Pyrénées, Landes, Pyrénées-Atlantiques
Total length
317km
Max discharge
371,9m³/s
Max Strahler
6
Segments matched
62
River geography4 admin regions · 129 communes
4 administrative regions crossed (GADM L2)
- LandesNouvelle-Aquitaine · France97.6 kmin this dpt
- Hautes-PyrénéesOccitanie · France65.9 kmin this dpt
- GersOccitanie · France19.7 kmin this dpt
- Pyrénées-AtlantiquesNouvelle-Aquitaine · France17.8 kmin this dpt
129 communes (L5)For countries with L5
- Campan14.89 km
- Duhort-Bachen9.13 km
- Saint-Sever8.32 km
- Bayonne6.83 km
- Cahuzac-sur-Adour5.69 km
- Sainte-Marie-de-Gosse5.64 km
- Tarbes4.95 km
- Maubourguet4.79 km
- Aurice4.74 km
- Vic-en-Bigorre4.57 km
- Renung4.04 km
- Aire-sur-l'Adour3.83 km
- Mées3.79 km
- Audon3.65 km
- Josse3.63 km
- Saint-Jean-de-Marsacq3.51 km
- Guiche3.40 km
- Saint-Étienne-d'Orthe3.34 km
- Anglet3.09 km
- Lafitole3.03 km
- Pey2.98 km
- Artagnan2.98 km
- Saubusse2.90 km
- Cauna2.85 km
- Tercis-les-Bains2.82 km
- Rivière-Saas-et-Gourby2.77 km
- Ancizan2.63 km
- Port-de-Lanne2.61 km
- Lannux2.61 km
- Estirac2.57 km
- Gouts2.52 km
- Camalès2.49 km
- Saint-Geours-de-Maremne2.44 km
- Izotges2.43 km
- Bernède2.39 km
- Saint-Vincent-de-Paul2.35 km
- Saint-Paul-lès-Dax2.21 km
- Bours2.19 km
- Aurensan2.17 km
- Préchac-sur-Adour2.00 km
- Goux1.99 km
- Salles-Adour1.89 km
- Bordères-et-Lamensans1.88 km
- Dax1.86 km
- Lahonce1.84 km
- Boucau1.71 km
- Angoumé1.63 km
- Villenave-près-Marsac1.63 km
- Ordizan1.56 km
- Jû-Belloc1.48 km
- Hinx1.43 km
- Montgaillard1.39 km
- Bazet1.38 km
- Saint-Laurent-de-Gosse1.38 km
- Grenade-sur-l'Adour1.21 km
- Pontonx-sur-l'Adour1.14 km
- Goos1.14 km
- Yzosse1.13 km
- Barcelonne-du-Gers1.10 km
- Horgues1.09 km
- Laloubère1.08 km
- Bégaar1.08 km
- Sarniguet1.07 km
- Arreau1.06 km
- Téthieu1.03 km
- Soues0.97 km
- Pouzac0.91 km
- Marsac0.90 km
- Trébons0.74 km
- Saint-Martin-de-Seignanx0.74 km
- Asté0.73 km
- Caussade-Rivière0.64 km
- Saint-Jean-de-Lier0.57 km
- Aureilhan0.52 km
- Montgaillard0.48 km
- Tarnos0.48 km
- Beaudéan0.48 km
- Urt0.44 km
- Allier0.43 km
- Mouguerre0.34 km
- Orist0.27 km
- Bernac-Debat0.16 km
- Sames0.16 km
- Onard0.06 km
- Termes-d'Armagnac0.04 km
- Saint-Maurice-sur-Adour0.03 km
- Siest0.02 km
- Toulouzette0.00 km
- Vicq-d'Auribat0.00 km
- Tasque0.00 km
- Tartas0.00 km
- Galiax0.00 km
- Cannet0.00 km
- Bahus-Soubiran0.00 km
- Préchacq-les-Bains0.00 km
- Poyanne0.00 km
- Bordères-sur-l'Échez0.00 km
- Oursbelille0.00 km
- Sarragachies0.00 km
- Castelnau-Rivière-Basse0.00 km
- Saint-Pierre-d'Irube0.00 km
- Cazères-sur-l'Adour0.00 km
- Momères0.00 km
- Laurède0.00 km
- Gousse0.00 km
- Labatut-Rivière0.00 km
- Bardos0.00 km
- Larrivière-Saint-Savin0.00 km
- Sombrun0.00 km
- Bazillac0.00 km
- Gensac0.00 km
- Liac0.00 km
- Sarriac-Bigorre0.00 km
- Tostat0.00 km
- Ugnouas0.00 km
- Barbazan-Debat0.00 km
- Andrest0.00 km
- Heugas0.00 km
- Candresse0.00 km
- Haut-Mauco0.00 km
- Pujo0.00 km
- Bas-Mauco0.00 km
- Riscle0.00 km
- Séméac0.00 km
- Ségos0.00 km
- Projan0.00 km
- Saint-Martin-de-Hinx0.00 km
- Aspin-Aure0.00 km
- Antist0.00 km
17 intersecting protected areas
National Park - Buffer zone/Area of adhesion
Barthes de l'Adour
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Barthes de l'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
La Nive
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Réseau hydrographique des affluents de la Midouze
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Liset de Hount Blanque
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
L'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de l'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
La Joyeuse (cours d'eau)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8 more protected areassorted by area
Dunes modernes du littoral landais de Capbreton à Tarnos
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Le metro
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Adour Et Affluents
IUCN IVBiotope Protection Order
Tourbière de Mées
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Regional Nature Reserve
L\'Adour
IUCN IVBiotope Protection Order
saligas de renung
IUCN IVLand acquired by a regional conservatory of natural areas
prairie de troun
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 62 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
561 distinct species · 2 205 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 L'Adour : 26 espèces + 2 bulles famille, 76 interactions GloBI documentées sur 3 types (connectance 20.1%, filtre Serrano α=0.2). Les 2 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
317km
Max discharge
371,9m³/s
Max Strahler
6
Segments matched
62
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.