Ruisseau· 13 segments
Le Leff
Crosses 1 administrative regions : Côtes-d'Armor
Total length
68km
Max discharge
6,4m³/s
Max Strahler
3
Segments matched
13
River geography1 admin regions · 24 communes
1 administrative regions crossed (GADM L2)
- Côtes-d'ArmorBretagne · France47.7 kmin this dpt
24 communes (L5)For countries with L5
- Plouagat7.54 km
- Boqueho6.73 km
- Quemper-Guézennec4.74 km
- Plouvara3.86 km
- Plélo3.64 km
- Plourivo3.32 km
- Goudelin2.91 km
- Cohiniac2.48 km
- Tressignaux2.37 km
- Le Faouët2.02 km
- Tréméven1.93 km
- Lanvollon1.65 km
- Trévérec1.35 km
- Gommenec'h1.23 km
- Lannebert0.90 km
- Châtelaudren0.75 km
- Bringolo0.22 km
- Yvias0.07 km
- Saint-Gilles-les-Bois0.00 km
- Ploëzal0.00 km
- Tréguidel0.00 km
- Lanleff0.00 km
- Pléhédel0.00 km
- Le Leslay0.00 km
5 intersecting protected areas
Tregor Goëlo
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Trégor Goëlo
IUCN Not ReportedMarine Protected Area (OSPAR)
Tregor Goëlo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Trégor Goëlo
IUCN Not ReportedMarine Protected Area (OSPAR)
Foret de penhoat-lancerf
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
233 distinct species · 2 265 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
68km
Max discharge
6,4m³/s
Max Strahler
3
Segments matched
13
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.