More than 240 people were involved in the operation to rescue the injured man from one of the UK’s largest cave systems

Brecon Beacons

Penwyllt

Entrances to

Ogof Ffynnon Ddu

The cave system extends

to about 40 miles of

passages

Wales

Neath

Swansea

5 km

5 miles

Brecon Beacons

Penwyllt

Entrances to

Ogof Ffynnon Ddu

The cave system extends

to about 40 miles of

passages

Merthyr Tydfil

Wales

Neath

Swansea

5 km

5 miles