HydroBASINS lev08 watershed · #2080580510
Bassin du Gave de Pau
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Hautes-Pyrénées, Pyrénées-Atlantiques
Sub-basin area
1 181,4km²
Upstream area
2 093,3km²
Discharge
43,74m³/s
Mean elev.
530m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 856.0 km²72.3% of basin
- 327.6 km²27.7% of basin
154 communes (GADM L5)Available for FRA, RWA
- Asson84.14 km²100% commune
- Louvie-Juzon52.40 km²93% commune
- Saint-Pé-de-Bigorre42.45 km²100% commune
- Gazost39.72 km²97% commune
- Lourdes35.96 km²96% commune
- Gan32.43 km²83% commune
- Salles27.57 km²100% commune
- Pau27.53 km²88% commune
- Bosdarros25.07 km²100% commune
- Béost25.06 km²58% commune
- Lescar23.04 km²86% commune
- Jurançon19.64 km²100% commune
- Pontacq17.46 km²61% commune
- Saint-Vincent17.39 km²100% commune
- Ferrières17.30 km²100% commune
- Bénéjacq17.21 km²100% commune
- Bruges-Capbis-Mifaget16.91 km²100% commune
- Montaut15.47 km²100% commune
- Lys15.47 km²100% commune
- Arbéost15.43 km²100% commune
- Coarraze14.38 km²100% commune
- Arros-de-Nay13.41 km²100% commune
- Sévignacq-Meyracq12.82 km²84% commune
- Haut-de-Bosdarros12.80 km²100% commune
- Louvie-Soubiron12.72 km²49% commune
- Denguin12.15 km²98% commune
- Saint-Faust11.97 km²92% commune
- Lacq11.44 km²67% commune
- Lons11.24 km²100% commune
- Ségus11.09 km²100% commune
- Artiguelouve10.58 km²99% commune
- Gelos10.58 km²100% commune
- Rébénacq10.44 km²100% commune
- Lamarque-Pontacq9.99 km²92% commune
- Espoey9.81 km²72% commune
- Nousty9.76 km²100% commune
- Assat9.63 km²100% commune
- Artix9.29 km²100% commune
- Boeil-Bezing8.99 km²100% commune
- Sainte-Colome8.58 km²92% commune
- Lestelle-Bétharram8.36 km²100% commune
- Artigueloutan8.25 km²100% commune
- Idron7.96 km²100% commune
- Labastide-Monréjeau7.93 km²100% commune
- Bordes7.67 km²100% commune
- Saint-Pastous7.66 km²99% commune
- Rontignon7.55 km²100% commune
- Barzun7.54 km²95% commune
- Sendets7.36 km²97% commune
- Andoins7.29 km²60% commune
- Pardies-Piétat7.26 km²100% commune
- Meillon7.20 km²100% commune
- Arthez-d'Asson6.99 km²100% commune
- Laroin6.97 km²100% commune
- Loubajac6.88 km²100% commune
- Arbus6.70 km²48% commune
- Serres-Sainte-Marie6.67 km²68% commune
- Ossen6.59 km²100% commune
- Poueyferré6.17 km²100% commune
- Agos-Vidalos6.15 km²100% commune
- Berbérust-Lias5.77 km²100% commune
- Hours5.70 km²100% commune
- Lucgarier5.65 km²100% commune
- Omex5.63 km²100% commune
- Livron5.61 km²70% commune
- Aucun5.60 km²41% commune
- Igon5.56 km²100% commune
- Limendous5.55 km²70% commune
- Beuste5.48 km²100% commune
- Angaïs5.43 km²100% commune
- Nay5.28 km²100% commune
- Arrens-Marsous5.22 km²5% commune
- Poey-de-Lescar5.14 km²76% commune
- Ourdis-Cotdoussan4.97 km²100% commune
- Aubertin4.95 km²28% commune
- Labastide-Cézéracq4.90 km²100% commune
- Ouzous4.82 km²100% commune
- Lagos4.75 km²100% commune
- Peyrouse4.66 km²100% commune
- Billère4.48 km²100% commune
- Bizanos4.42 km²100% commune
- Ousse4.39 km²100% commune
- Narcastet4.30 km²100% commune
- Saint-Abit4.27 km²100% commune
- Bordères4.25 km²100% commune
- Tarsacq4.05 km²100% commune
- Mazères-Lezons3.99 km²100% commune
- Bartrès3.86 km²53% commune
- Barlest3.77 km²100% commune
- Abos3.73 km²42% commune
- Baliros3.61 km²100% commune
- Aussevielle3.60 km²100% commune
- Juncalas3.56 km²100% commune
- Labatmale3.48 km²100% commune
- Mirepeix3.40 km²100% commune
- Uzos3.38 km²100% commune
- Gomer3.21 km²100% commune
- Viger3.21 km²100% commune
- Boô-Silhen3.20 km²99% commune
- Ayzac-Ost3.08 km²100% commune
- Lée3.02 km²100% commune
- Pardies2.94 km²48% commune
- Cheust2.79 km²84% commune
- Soumoulou2.79 km²100% commune
- Gaillagos2.79 km²34% commune
- Arras-en-Lavedan2.69 km²11% commune
- Geu2.63 km²100% commune
- Ourdon2.54 km²100% commune
- Os-Marsillon2.54 km²46% commune
- Ousté2.50 km²100% commune
- Julos2.50 km²44% commune
- Buzy2.48 km²14% commune
- Gez2.44 km²62% commune
- Bésingrand2.28 km²100% commune
- Aressy2.16 km²100% commune
- Siros2.13 km²100% commune
- Saint-Créac2.11 km²100% commune
- Arcizans-Dessus2.03 km²40% commune
- Ger2.01 km²100% commune
- Germs-sur-l'Oussouet1.91 km²15% commune
- Bourdettes1.84 km²100% commune
- Baudreix1.81 km²100% commune
- Sère-en-Lavedan1.73 km²100% commune
- Aspin-en-Lavedan1.58 km²100% commune
- Bescat1.49 km²24% commune
- Cescau1.41 km²18% commune
- Abidos1.14 km²39% commune
- Jarret1.03 km²24% commune
- Castet1.01 km²4% commune
- Bougarber0.77 km²7% commune
- Beyrie-en-Béarn0.71 km²27% commune
- Adé0.64 km²8% commune
- Lugagnan0.60 km²100% commune
- Vier-Bordes0.58 km²6% commune
- Sère-Lanso0.58 km²14% commune
- Argelès-Gazost0.53 km²18% commune
- Noguères0.43 km²20% commune
- Morlaàs0.43 km²3% commune
- Beaucens0.34 km²1% commune
- Montardon0.30 km²4% commune
- Ayros-Arbouix0.29 km²9% commune
- Averan0.20 km²5% commune
- Artigues0.11 km²8% commune
- Bagnères-de-Bigorre0.09 km²0% commune
- Casteide-Cami0.07 km²1% commune
- Lasseube0.05 km²0% commune
- Buros0.04 km²0% commune
- Mourenx0.02 km²0% commune
- Lézignan0.01 km²0% commune
- Serres-Morlaàs0.01 km²0% commune
- Ossun0.01 km²0% commune
- Bourréac0.01 km²1% commune
- Lasseubetat0.00 km²0% commune
- Eaux-Bonnes0.00 km²0% commune
20 intersecting protected areas
National Park - Buffer zone/Area of adhesion
95.39 km² overlap
Massif du Moulle de Jaout
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
87.46 km² overlap
Granquet-Pibeste et Soum d'Ech
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
72.47 km² overlap
Gave de Pau
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
54.39 km² overlap
Massif Du Pibeste - Aoulhet
IUCN IVRegional Nature Reserve
51.32 km² overlap
Pics de l'Estibet et de Mondragon
IUCN Not ReportedSpecial Protection Area (Birds Directive)
46.40 km² overlap
Barrage d'Artix et saligue du Gave de Pau
IUCN Not ReportedSpecial Protection Area (Birds Directive)
33.56 km² overlap
Pènes du Moulle de Jaout
IUCN Not ReportedSpecial Protection Area (Birds Directive)
12.53 km² overlap
Saint-Pe-De-Bigorre (De)
IUCN IaForest Integral Biological Reserve
10.07 km² overlap
11 more protected areassorted by overlap area
Gabizos (et vallée d'Arrens, versant sud-est du Gabizos)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.91 km² overlap
Gaves de Pau et de Cauterets (et gorge de Cauterets)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.07 km² overlap
Tourbière et lac de Lourdes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.73 km² overlap
Gave De Pau
IUCN IVBiotope Protection Order
0.47 km² overlap
Tourbière De Pédestarrès
IUCN IVBiotope Protection Order
0.34 km² overlap
Tourbière de Louvie-Juzon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.31 km² overlap
Parc boisé du Château de Pau
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.19 km² overlap
Land acquired by a regional conservatory of natural areas
0.04 km² overlap
tourbiere du lac de lourdes
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 km² overlap
tourbiere et prairies denis
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
lande de courneres nord
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 401 distinct species · 583 652 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Bassin du Gave de Pau : 18 espèces reliées par 113 interactions GloBI sur 5 types (connectance 21.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
10,7°C
Annual rain
926mm
Moisture idx (CMI)
0,01
Runoff
673mm/an
PET
910mm
AET
694mm
Mean slope
10,3°
Water table
382cm
Forest
53%
Crops
22%
Urban
11%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)