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 3000's 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. We will usually summit the following mountains in this order but it's also possible to complete the challenge from North to South, the three summits of the Snowdon range can also be walked in the opposite direction: Yr Wyddfa/Snowdon: Crib Goch: 923m Garnedd Ugain: 1065m Yr Wyddfa/Snowdon: 1085m Glyderau: Elidir Fawr: 924m Y Garn: 947m Glyder Fawr: 1001m (Castell y Gwynt: 972m) Glyder Fach: 994m Tryfan: 918m Carneddau: Pen yr Ole Wen: 978m Carnedd Dafydd: 1044m Yr Elen: 962m Carnedd Llewellyn: 1064m Foel Grach: 976m Carnedd Gwenllian: 926m Foel Fras: 942m What's Included: Small guided group from beginning to end with the same qualified, experienced & insured mountain leaders. Assistance with local travel if necessary at the beginning and end of the challenge. Support vehicle at 2x checkpoints, between each mountain range. Water refills, hot drinks and first aid assistance will be available - 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 £245 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 Walking' page.
