|Location within Gwynedd|
|OS grid reference|
|Sovereign state||United Kingdom|
|Post town||BLAENAU FFESTINIOG|
Most people who come from or live in Blaenau Ffestiniog speak Welsh. In the 2011 census, 78.6% of people who live there said they can speak it. This makes it one of the most-Welsh speaking towns in Wales.
Blaenau Ffestiniog railway station is the northern end of the Ffestiniog Railway, a narrow-gauge heritage railway that starts at Porthmadog. The railway goes through very mountainous and forested areas and is very popular with tourists.
Blaenau Ffestiniog is twinned with: