HydroBASINS lev08 watershed · #2080587460
Bassin de Gave de Cauterets
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 across 2 countries : Hautes-Pyrénées, Huesca
Sub-basin area
182,3km²
Upstream area
182,4km²
Discharge
2,61m³/s
Mean elev.
1 957m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 182.2 km²99.7% of basin
- 0.5 km²0.3% of basin
15 communes (GADM L5)Available for FRA, RWA
- Cauterets153.05 km²96% commune
- Estaing16.00 km²22% commune
- Arcizans-Avant4.72 km²31% commune
- Uz2.06 km²91% commune
- Pierrefitte-Nestalas1.57 km²78% commune
- Soulom1.04 km²38% commune
- Grust1.01 km²10% commune
- Sazos0.71 km²2% commune
- Gavarnie0.65 km²1% commune
- Saint-Savin0.41 km²10% commune
- Arras-en-Lavedan0.39 km²2% commune
- Viscos0.35 km²5% commune
- Luz-Saint-Sauveur0.20 km²0% commune
- Beaucens0.02 km²0% commune
- Adast0.01 km²1% commune
11 intersecting protected areas
Pyrénées
IUCN IINational Park - Core Area
95.84 km² overlap
National Park - Buffer zone/Area of adhesion
84.92 km² overlap
Gaube, Vignemale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
61.38 km² overlap
Péguère, Barbat, Cambalès
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
34.09 km² overlap
Moun Né de Cauterets, pic de Cabaliros
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
19.39 km² overlap
Gaves de Pau et de Cauterets (et gorge de Cauterets)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.69 km² overlap
Viñamala
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.73 km² overlap
Cirque de Gavarnie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.55 km² overlap
Puertos de Panticosa, Bramatuero y Brazatos
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.43 km² overlap
2 more protected areassorted by overlap area
Bujaruelo - Garganta de los Navarros
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.30 km² overlap
Natural Monument
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 987 distinct species · 136 767 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 de Gave de Cauterets : 22 espèces reliées par 110 interactions GloBI sur 5 types (connectance 20.8%, filtre Serrano α=0.2). 11 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°
3,4°C
Annual rain
1 279mm
Moisture idx (CMI)
0,49
Runoff
534mm/an
PET
621mm
AET
589mm
Mean slope
28,1°
Water table
1 052cm
Forest
49%
Crops
1%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)