Welsh Three Peaks Challenge Route

Postcodes for the most common parking at each mountain are:

• Snowdon - LL55 4NY for Pen-y-Pass (Pyg Track route), or LL55 4TY for Llanberis.
• Cadair Idris - LL40 1TN, Ty Nant Car Park.
• Pen y Fan - LD3 8NL, parking opposite the Storey Arms.

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.