Le Tréhou (Le Tréhou)
- commune in Finistère, France
- Country:
- Postal Code: 29450
- Coordinates: 48° 23' 38" N, 4° 7' 53" E
- GPS tracks (wikiloc): [Link]
- Area: 22.79 sq km
- Population: 625
- Web site: http://letrehou.free.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q226613
- Wikipedia Commons Gallery: [Link]
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03gxt6r]
- GeoNames ID: Alt: [2999112]
- SIREN number: [212902944]
- BnF ID: [15254633t]
- INSEE municipality code: 29294
Shares border with regions:

La Martyre
- commune in Finistère, France
- Country:
- Postal Code: 29800
- Coordinates: 48° 26' 54" N, 4° 9' 33" E
- GPS tracks (wikiloc): [Link]
- Area: 18.01 sq km
- Population: 766
- Web site: [Link]

Saint-Urbain
- commune in Finistère, France
- Country:
- Postal Code: 29800
- Coordinates: 48° 24' 1" N, 4° 13' 35" E
- GPS tracks (wikiloc): [Link]
- Area: 15.21 sq km
- Population: 1641
- Web site: [Link]

Sizun
- commune in Finistère, France
- Country:
- Postal Code: 29450
- Coordinates: 48° 24' 0" N, 4° 5' 0" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 112 м m
- Area: 58.14 sq km
- Population: 2260
- Web site: [Link]


Ploudiry
- commune in Finistère, France
- Country:
- Postal Code: 29800
- Coordinates: 48° 27' 12" N, 4° 8' 34" E
- GPS tracks (wikiloc): [Link]
- Area: 27.19 sq km
- Population: 933
- Web site: [Link]

Saint-Eloy
- commune in Finistère, France
- Country:
- Postal Code: 29460
- Coordinates: 48° 21' 43" N, 4° 7' 23" E
- GPS tracks (wikiloc): [Link]
- Area: 12.42 sq km
- Population: 221

Tréflévénez
- commune in Finistère, France
- Country:
- Postal Code: 29800
- Coordinates: 48° 24' 54" N, 4° 10' 12" E
- GPS tracks (wikiloc): [Link]
- Area: 9.65 sq km
- Population: 248

Irvillac
- commune in Finistère, France
- Country:
- Postal Code: 29460
- Coordinates: 48° 22' 12" N, 4° 12' 44" E
- GPS tracks (wikiloc): [Link]
- Area: 29.6 sq km
- Population: 1428
- Web site: [Link]