Ruisseau
Le Lasset
Crosses 1 administrative regions : Ariège
Total length
21km
Max discharge
0,4m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 3 communes
1 administrative regions crossed (GADM L2)
- AriègeOccitanie · France10.0 kmin this dpt
3 communes (L5)For countries with L5
- Montségur4.76 km
- Fougax-et-Barrineuf2.67 km
- Bénaix2.59 km
3 intersecting protected areas
Gorges de la Frau et Bélesta
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Garonne, Ariège, Hers, Salat, Pique et Neste
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Massif De Saint-Barthélémy
IUCN IVRegional Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 117 distinct species · 4 452 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).
Hydrology (HydroRIVERS v10)
Total length
21km
Max discharge
0,4m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.