Snowdon (Yr Wyddfa)

Every step takes us closer towards a world with type 1 diabetes.

Saturday 20 September 2025

06:45am

Electric Mountain Centre Llanberis LL55 4UR

Reg fee £15 child (11-17yrs), £30 adult

Join Team Breakthrough T1D as we take on the highest peak in Wales, Snowdon

The challenge

Climb to the summit of Snowdon (Yr Wyddfa) on an 11–12 mile return route along the steady and accessible Llanberis Path. It’s ideal for beginners and families.

The views 

Enjoy stunning scenery through Snowdonia National Park, with breathtaking views across North Wales and beyond. If the summit café is open, you can even stop for a cup of tea at the top.

The impact


Every step you take helps bring us closer to a world without type 1 diabetes.

What to expect

Fully guided walk with professional guides to ensure safety

Breakthrough T1D technical t-shirt when you register

Fundraising tips and support

Limited-edition Breakthrough T1D Trek Medal

Requirements

Minimum age: 11 years old. All under 18s must be accompanied by their parent/guardian throughout the hike. At least one adult per 2 children please.

This is a challenging hike, and all participants must be fit and able to complete the walk. Under 18s must have hill walking experience. 

If you have any concerns about medical conditions or fitness levels, please contact the Breakthrough T1D Trek team who will be able to put you in touch with the guide company for you to then discuss with. All guides have first aid certification. 

Registration fee is £30 for adults and under 18s is £15. Registration fee does not include accommodation, travel or main meals. 

Minimum sponsorship is £300 per individual.

Get in touch

For more information check our our FAQs or email our friendly fundraising team.

Our Community

Come and say hello on our Team Breakthrough T1D Facebook group, and meet incredible Breakthrough T1D supporters taking on challenges across the UK. Ask your questions, read their stories and be part of our wonderful community. Important event information will also be posted on the group too.