Come along to help us celebrate our 30th Anniversary at this fun-filled day.
Performing on the day will be Blaenavon Town Band and the Young Persons with Dementia Choir.
Activities will include a climbing wall, go-karting, Blaenavon Mini Rugby, Lovespoon carving and Clog making demonstrations.
Blaenau Gwent Radio Roadshow will be broadcasting live from Big Pit during the day and there will also be appearances from very special guests Peppa and George Pig.
Pontypool and Blaenavon Railway will be offering free travel on their branch line to and from Big Pit and travel on their main line at a discounted rate of £5 for the duration of the Gala Day.
A charge may apply to some activities.