Blaenllechau
| Blaenllechau 
 | |
|---|---|
| Blaenllechau post office | |
| Location within Rhondda Cynon Taf | |
| OS grid reference | SS995975 | 
| Principal area | |
| Preserved county | |
| Country | Wales | 
| Sovereign state | United Kingdom | 
| Post town | FERNDALE | 
| Postcode district | CF43 | 
| Dialling code | 01443 | 
| Police | South Wales | 
| Fire | South Wales | 
| Ambulance | Welsh | 
| UK Parliament | |
| Senedd Cymru – Welsh Parliament | |
Blaenllechau is a small village located in the Rhondda Fach valley, Rhondda Cynon Taf, Wales. The neighbouring villages are Ferndale, Maerdy and Tylorstown. The population of Blaenllechau is less than 1,000. The village is defined by the river border, flowing between Blaenllechau and neighbouring Ferndale, of which the well-known Blaenllechau waterfall is a tributary.