HydroBASINS lev08 watershed · #2080574590
Bassin du Gabas
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 3 administrative regions : Hautes-Pyrénées, Landes, Pyrénées-Atlantiques
Sub-basin area
430,9km²
Upstream area
430,9km²
Discharge
8,72m³/s
Mean elev.
185m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 259.6 km²60.1% of basin
- 152.8 km²35.4% of basin
- 19.3 km²4.5% of basin
75 communes (GADM L5)Available for FRA, RWA
- Saint-Sever14.75 km²31% commune
- Sainte-Colombe12.93 km²100% commune
- Miramont-Sensacq12.50 km²48% commune
- Eyres-Moncube12.32 km²100% commune
- Coudures11.30 km²100% commune
- Urgons11.27 km²100% commune
- Pontacq11.26 km²39% commune
- Pimbo11.23 km²100% commune
- Vielle-Tursan10.96 km²83% commune
- Horsarrieu10.54 km²100% commune
- Geaune10.52 km²100% commune
- Boueilh-Boueilho-Lasque10.25 km²60% commune
- Samadet9.81 km²36% commune
- Audignon9.49 km²100% commune
- Castelnau-Tursan9.47 km²100% commune
- Miossens-Lanusse9.14 km²100% commune
- Sévignacq9.11 km²51% commune
- Sedzère8.95 km²71% commune
- Serres-Gaston8.55 km²96% commune
- Saint-Loubouer8.55 km²49% commune
- Luquet8.37 km²100% commune
- Lourenties8.33 km²100% commune
- Garlède-Mondebat8.15 km²91% commune
- Saint-Laurent-Bretagne7.93 km²73% commune
- Ger7.64 km²24% commune
- Poursiugues-Boucoue7.60 km²85% commune
- Montsoué7.42 km²41% commune
- Bats7.23 km²100% commune
- Clèdes6.90 km²100% commune
- Gardères6.49 km²43% commune
- Sarraziet6.46 km²93% commune
- Payros-Cazautets6.26 km²100% commune
- Claracq5.68 km²57% commune
- Toulouzette5.46 km²48% commune
- Arboucave5.40 km²56% commune
- Gabaston5.36 km²43% commune
- Banos5.35 km²100% commune
- Lauret5.23 km²72% commune
- Montaut5.20 km²36% commune
- Riupeyrous5.18 km²100% commune
- Lalonquette5.18 km²99% commune
- Escoubès4.79 km²76% commune
- Hagetmau4.71 km²16% commune
- Puyol-Cazalet4.63 km²100% commune
- Coublucq4.52 km²78% commune
- Arrien4.48 km²99% commune
- Espéchède4.33 km²45% commune
- Espoey3.83 km²28% commune
- Aubagnan3.79 km²100% commune
- Ossun3.72 km²14% commune
- Eslourenties-Daban3.53 km²67% commune
- Lacajunte3.52 km²63% commune
- Pécorade3.51 km²86% commune
- Mauries3.40 km²67% commune
- Carrère3.12 km²50% commune
- Doazit3.03 km²13% commune
- Sorbets2.98 km²24% commune
- Lasclaveries2.73 km²43% commune
- Pouliacq2.57 km²75% commune
- Livron2.36 km²30% commune
- Dumes2.24 km²100% commune
- Limendous1.90 km²24% commune
- Barinque1.74 km²19% commune
- Philondenx1.22 km²12% commune
- Monassut-Audiracq1.12 km²12% commune
- Hauriet1.03 km²14% commune
- Thèze0.64 km²8% commune
- Higuères-Souye0.52 km²7% commune
- Azereix0.46 km²3% commune
- Barzun0.43 km²5% commune
- Auriac0.40 km²8% commune
- Bahus-Soubiran0.35 km²2% commune
- Lamarque-Pontacq0.29 km²3% commune
- Souprosse0.07 km²0% commune
- Arzacq-Arraziguet0.05 km²0% commune
3 intersecting protected areas
Coteaux du Tursan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.38 km² overlap
L'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.12 km² overlap
coteau de saint-magrin
IUCN IVLand acquired by a regional conservatory of natural areas
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 067 distinct species · 80 747 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
12,3°C
Annual rain
945mm
Moisture idx (CMI)
-0,03
Runoff
626mm/an
PET
976mm
AET
714mm
Mean slope
2,9°
Water table
179cm
Forest
10%
Crops
69%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)