Big Pit National Coal Museum
Hand over your phone, put on a miner's lamp and drop 90 metres into a Welsh coal mine, with a guide who may once have worked its seams.
Published
Quick Facts
- Location
- Blaenavon, Torfaen, South Wales
- Shaft sunk
- 1860
- Coal production began
- 1880
- Closed as a working mine
- 1980
- Opened as a museum
- 1983
- Underground descent
- About 90 metres (300 feet) by cage
- Part of
- Blaenavon Industrial Landscape World Heritage Site (inscribed 2000)
- Run by
- Amgueddfa Cymru – Museum Wales
The museum where you can't take a phone
Before you go underground at Big Pit, you hand in anything that could cause a spark. Phones, cameras, watches and lighters all stay in a locker at the surface. The reason is firedamp. Methane seeping from coal seams was one of the great killers of Welsh miners, and mines like this one were run on strict rules about naked flames and sparks. The ban at Big Pit is a small taste of those rules. In their place you get a hard hat, a cap lamp and a battery pack. Then you step into the cage and drop about 90 metres.
Why a mine in the hills became a museum
Big Pit was sunk in 1860 and started producing coal in 1880. The Blaenavon area was already known for iron, and the ironworks had opened in 1789. Coal and ironstone from these hills helped feed the South Wales industrial boom. The pit went on to survive nationalisation and the long decline of the coalfield. It closed as a working mine in 1980. Only three years later it reopened as a museum, which is a quick turnaround for an industrial site. That speed helped. The headframe, winding gear, workshops and underground roadways were all still in place, and so were the people who knew how to run them.
Guides who know the job
The underground tour has long been led by former miners. They don't recite a script about coal. They explain how the work was done, what the air felt like, and how men and boys worked far from daylight. On the way you pass old haulage roads, ventilation doors and the underground stables. Horses and ponies hauled coal trucks here, long before machinery took over that job. It's a reminder of how much of the Industrial Revolution ran on animal muscle. The guides also cover the laws that gradually changed things. The 1842 Mines Act, for example, banned women and young boys from working underground.
What to look for above ground
The surface is as good as the tunnels. The pithead baths are a highlight, with their rows of lockers and the story of how miners finally got to wash at work instead of going home black with dust. There's also the lamp room, the blacksmith's shop and the winding engine house, all part of the machinery that kept the pit working. Look for the headframe over the shaft. It is the landmark you can see across the hillside. The Welsh name, Pwll Mawr, simply means Big Pit. That plain label suits a place that never tried to sound grander than it was.
Part of a World Heritage landscape
Big Pit sits inside the Blaenavon Industrial Landscape, which was given World Heritage status in 2000. The listing covers the ironworks, quarries, railways, workers' housing and mines that together show how a Welsh upland was reshaped in a few decades. It's worth seeing Big Pit alongside the Blaenavon Ironworks, where the furnaces and cast houses tell the other half of the story. The ironworks made the iron, and pits like this one fed its appetite for fuel. The museum's mix of authentic buildings and first-hand memory has won it high praise. It was a Gulbenkian Prize winner in 2005.