Welsh Three Peaks | 24 Hour Event | Cymru - Wales

Join The Mountaineering Company for the Welsh 3 Peaks Challenge – an unforgettable mountain adventure in Wales. You’ll climb Snowdon (Yr Wyddfa), the highest peak in Wales and the tallest point in Britain outside the Scottish Highlands; tackle the rugged Cader Idris in southern Snowdonia; and summit Pen y Fan, the highest mountain in the Brecon Beacons (Bannau Brycheiniog).

Guided by our expert team, this challenge offers breathtaking views, dramatic landscapes, and a true test of endurance. Experience the very best of Welsh mountain scenery – are you ready to take on the peaks?

Included in this event!

• Expert guiding team from The Mountaineering Company
• All transport included from start to finish
• Packed lunch and snacks
• Hot food and drinks after each peak
• Collection and return to Llanberis
• Collections available from Bangor train station
• TMC Buff /Neck scarf
• Welsh 3 Peaks Certificate

The meeting location for this event is Nant Peris near Llanberis in North Wales. You will be returned to this location at the end of the challenge. We can also transport people back to Bangor train station at the end of the challenge.  

Why use The Mountaineering Company!

At The Mountaineering Company, we’re committed to delivering top-quality events and unforgettable experiences, led by the industry's best guides. From logistics and transport to safety, we handle every detail—so you can focus entirely on the adventure. In 2025, our dedication to excellence was recognized with the Travellers' Choice Award, thanks to our consistently high standards and outstanding 5-star reviews.

Bespoke dates available for group bookings, get in touch with us to discuss your plans.

Ability Level

The Welsh Three Peaks Challenge is a demanding hike that requires a good level of fitness and hill-walking experience. You’ll cover about 20 miles (32 km) and climb over 3,000 metres in total, all within a single day.

Participants should be comfortable walking for up to 12 hours in the mountains. Regular training on hills, good walking boots, and suitable clothing for changing weather are essential. With proper preparation, most fit walkers can complete the challenge safely and enjoyably.