Welsh Three Peaks route guide

Return to the Welsh Three Peaks Challenge hub for overview guidance, then use this route guide for driving order and navigation.

Parking at each of the mountains

• Snowdon / Yr Wyddfa

  Parking: Pen-y-Pass LL55 4NY (pre-booked) or Llanberis LL55 4TY. Full parking guide →

• Cadair Idris

  Parking: Ty Nant Car Park LL40 1TN or Dôl Idris Car Park LL36 9AJ.

• Pen y Fan

  Parking: Storey Arms and Pont ar Daf on the A470, postcode LD3 8NL.

Driving Route

The Welsh Three Peaks driving route is 125 miles, and much of the distance is covered on the A470 and A487. North to south, it is as follows:

Snowdon to Cadair Idris

Taking approximately an hour and a half.

• A4086 south from Llanberis through Pen y Pass
• Left onto A498 through Beddgelert to Aberglaslyn, left over bridge onto A4085
• At Garreg, left onto B4410
• At Maentwrog, left onto A487
• Carry on to A470 past Trawsfynydd down to Dolgellau
• After Dolgellau, right onto the A487 by the Cross Foxes Inn
• Left just after the Minffordd Hotel to the Dôl Idris car park

Cadair Idris to Pen y Fan

Taking approximately two hours twenty minutes.

• A487 south to Machynlleth
• Left at the town clock and right in the middle of the town onto Forge Road
• Right at the T-junction onto B4518 to Llanidloes
• First exit at roundabout in Llanidloes and then right at second, onto A470
• Through Rhayader, Builth Wells, Brecon, remain on A470
• At the Storey Arms, parking is either immediately opposite or 200 metres further on the left.