Leave the motorway at junction 45, and follow the signs for the A4067 North (Pontardawe).
You will then see the brown tourist signs for Dan-yr-Ogof Showcaves.
Follow these signs all the way up the valley; from the motorway the journey time is approximately 25 minutes.

If travelling from the North, head towards Brecon.
From Brecon, stay on the A40, travelling in the direction of Llandovery.
You should leave the A40 just before Sennybridge (a left turn), looking for the brown tourist sign for Dan-yr-Ogof Showcaves. This takes you on to the A4067; from Sennybridge the journey time is approximately 15 minutes.

Head towards Hirwaun, and then take the A465 towards Glynneath.
Follow this road down a long hill. At the bottom of the hill turn left (A4109), following the brown tourist signs for Dan-yr-Ogof Showcaves.
At the traffic lights go straight ahead, stay on this road (for approximately 10 minutes) until you come to a ‘T’ junction and then turn right.
This takes you on to the A4067; from here the journey time is approximately 5 minutes.

We recommend you either use the M4 (and follow the directions shown above – ‘Travelling from the South’), or head towards Brecon or Sennybridge (and follow the directions shown above – ‘Travelling from the North’) depending on your starting point.