Welsh 3000s Challenge // 24 hour

2026 events now open & guaranteed to run: Saturday 11th April 2026 Saturday 16th May 2026 Saturday 6th June 2026 Saturday 18th July 2026 Tuesday 11th August 2026 Saturday 19th September 2026 Join Mountain Craft for a 24 HOUR challenge on the classic Welsh 3000s route. The route spans over 50km in length with almost 4000 metres of ascent, including getting to/from the first and last summits. This is a long and strenuous day suitable for experienced mountain walkers with a high level of fitness and stamina for 24 hours of physical activity. We will start the challenge at Pen-y-Pass near Llanberis and finish in Bethesda which is well connected on the A5. The usual order of summits for the challenge is as follows: Crib Goch // Garnedd Ugain // Yr Wyddfa/Snowdon Elidir Fawr // Y Garn // Glyder Fawr // Glyder Fach // Tryfan Pen yr Ole Wen // Carnedd Dafydd // Yr Elen // Carnedd Llewellyn // Foel Grach // Carnedd Gwenllian // Foel Fras *** New for 2026! We have partnered with local business, Casgliad, to offer their Welsh 3000s art print at an exclusive discounted rate of £16.99 for challenge participants. You can add a print at checkout or contact us to retrospectively order one, see photos in the gallery below. Find out more about Casgliad on our 'About' page! *** What's Included: Small guided group from beginning to end with the same qualified, experienced & insured mountain leaders. Assistance with planning local travel & logistics. Support vehicle at 2x checkpoints: water refills, hot drinks and first aid assistance - plus you can leave an extra bag with spare kit & clothing. You must arrange your own accommodation & food, contact for any help. Required Experience: Very fit mountain walkers & runners with experience of mountain routes over 30km and/or a total ascent of 2000-2500+ metres can consider signing up. You must have previously comfortably traversed the ridge of Crib Goch or at least other very exposed grade 1 scrambles. Please contact if you'd like to discuss the suitability of this route, prep/recce days are available to book. Individual bookings: Spaces are £225 per person and the full balance is payable at the time of booking. Private group bookings: Please get in touch via the contact page for availability and quotes for a private Welsh 3000s booking. 24 hour, 3 day or 5 day itineraries can be scheduled to suit you. For the Welsh 3000s in 3 days, please head back to the 'Long Distance Walks' page.