Team Simpson – Welsh 3000s Challenge

Welsh 3000s 24Hr Challenge – The King of Challenges!

21st June 2025

Join Greg for a traverse of the Welsh 3000s … Climbing all 14 of Wales’ mountains in one day.

Doing the Welsh 3000s in a single day is one of Britain’s toughest 24 hour challenge walks requiring fitness, stamina and determination: it makes the “Three Peaks” a mere training exercise for the children. The day will start at around 0400 commencing our day’s challenge with the infamous Crib Goch. This knife-edge ridge will be the first of our fourteen Welsh 3000s . . . From here it’s two more (including Snowdon) before descending back to the valley for breakfast.

Breakfast complete, the group will head en-masse up Elidir Fawr (“Big Elidir”). People will naturally break down into 2 or 3 teams by pace at this point and so onwards to climb these next 5 summits before dinner is served in the Ogwen Valley. Tired legs, and a positive spirit will carry you over the final leg of your journey with the six summits of the Carneddau before you get to your waiting carriage.

Price per person: £254

  • Fresh leaders for different phases
  • Breakfast and dinner
  • Transport and logistic support locally in the area

… and if you manage to complete this mighty challenge inside one magnificent journey and taking no more than 24 hours you’ll be eligible for a certificate. For details of this and how to join the list of finishers see www.14peaks.com.

Note: You need good fitness, mental robustness and a good head for heights too.

Booking Form

  • Please be sure to read the booking conditions
  • This trek involves grade 1 scrambling on high and exposed ground – know before you go: see the BMC TV video for Crib Goch
  • Please note that we are unable to offer any refunds for cancellations made fewer than 28 days from the commencement from the date of these challenges.

A view of Tryfan from the Carneddau

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What are the Welsh 3000s?

The fourteen mountains of Wales are all (conveniently) located in Snowdonia. They are: Snowdon 1085m, Garnedd Ugain 1066m, Crib Goch 923, Elidir Fawr 923m, Y Garn 947m, Glyder Fawr 999m, Glyder Fach 994m, Tryfan 915m, Pen Yr Ole Wen 978m, Carnedd Dafydd 1044m, Yr Elen 962m, Carnedd Llewelyn 1064m, Foel Grach 974m, Gwenllian (formerly Garnedd Uchaf*) 976m, Foel Fras 942m.

*Garnedd Uchaf, now named Gwenllian is the 15th peak and is contentious as such. Some say that a mountain must be at least 3000 feet (914m) above sea level and require at least 50m of re-ascent from it’s closest relative plateau… But Garnedd Uchaf is only 46m above it’s nearest saddle. Others will argue a mountain is any peak over 610m and needing 30m of ascent – and in this category Garnedd Uchaf fits the bill!

Outline strategy for success:

  • Know the (best) route like the back of your hand
  • Start early
  • Start slowly
  • Eat lots
  • Drink lots

*The Fifteenth Peak

Some people refer to this as the Fifteen Peaks Challenge; or refer to the fifteen Welsh 3000s. It’s true, there are 15 peaks that are 3000 feet or higher. Garnedd Uchaf is the “fifteenth peak”. But for it to count as one of the three thousanders it needs to have a relative height gain of at least 150 feet, and alas Garnedd Uchaf climbs around 100 feet from the surrounding plateau. Hence we will walk by it but not bother walking the 30m or so to touch its summit.

Some thoughts on Equipment and Wet Weather Preparation

It has been known to rain occasionally in Wales – and it could be that this is the greatest challenge that you’ll be facing on the hill. Bad weather just needs the right mind-set combined with the best preparation – and it can be overcome! With that in mind we have written this advice here.

Further Reading

A Look at the Welsh 3000s Challenge
A Stitch in Time – preparing for a rainy day in the hills
Training for challenge walks – guide to get fit
The Meaning of Welsh Names
Visit Snowdonia – Myths and Legends
Welsh (Cymraeg) for Hillwalkers